Search references for AUDIO POWER. Phrases containing AUDIO POWER
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Electricity to a loudspeaker for sound
Audio power is the electrical power transferred from an audio amplifier to a loudspeaker, measured in watts. The electrical power delivered to the loudspeaker
Audio_power
Audio amplifier with power output sufficient to drive a loudspeaker
An audio power amplifier (or power amp) amplifies low-power electronic audio signals, such as the signal from a radio receiver or an electric guitar pickup
Audio_power_amplifier
Technology that records, stores, and reproduces sound
analog signal, which is then sent through an audio power amplifier and ultimately to a loudspeaker. Digital audio systems may include compression, storage
Digital_audio
US high-end audio equipment manufacturer
for audiophiles and professional audio applications. The company manufactures audio amplifiers, preamplifiers, power-related products, digital-to-analog
PS_Audio
Entertainment electronics in cars
Vehicle audio, also known as car multimedia is equipment installed in a car or other vehicle to provide in-car entertainment and information for the occupants
Vehicle_audio
Classification of power amplifier
medium-power, low-efficiency, and high-cost audio power amplifiers. The power consumption is unrelated to the output power. At idle (no input), the power consumption
Power_amplifier_classes
Form of waveform distortion
switched-mode power supply the switching frequency is more dominant in the ripple voltage and outside the audio band, while in a regulated power supply the
Clipping_(audio)
Representation of sound, typically as an electrical voltage
external audio equipment, and even different rooms. Audio signals may be characterized by parameters such as their bandwidth, nominal level, power level
Audio_signal
Consumer electronics component
system. Its purpose is to receive audio and video signals from a number of sources, and to process them and provide power amplifiers to drive loudspeakers
AV_receiver
American audio equipment manufacturer
BOSS Audio Systems is an American manufacturer of audio and video equipment for automotive, power sport and marine applications. The company was founded
Boss_Audio
American consumer audio company
JL Audio is an American manufacturer of consumer audio products. Known as one of the pioneers of the car audio industry, it manufactures marine, home
JL_Audio
Electronic device/component that increases the strength of a signal
output power of a transmitter. An audio amplifier amplifies audio frequencies. This category subdivides into small signal amplification, and power amps
Amplifier
Gradual change in level of audio signal
In audio engineering, a fade is a gradual increase or decrease in the level of an audio signal. The term can also be used for film cinematography or theatre
Fade_(audio_engineering)
Electronic filter circuitry used in loudspeakers
loudspeaker cabinets, power amplifiers in consumer electronics (such as Hi-Fi, home cinema sound and car audio), and pro audio and musical instrument
Audio_crossover
British hi-fi manufacturer
designed his own power amplifier. The company Naim Audio was incorporated in 1973. The convention at the time – dating back to audio pioneer Edgar Villchur
Naim_Audio
British audio equipment manufacturer
timing". The company has a sui generis approach to audio design, ignoring specifications and power ratings as indicators of the quality of an amplifier
Naim_Audio_amplification
Family of connectors typically used for analog signals
analog audio signals. Invented in the late 19th century for telephone switchboards, the phone connector remains in use for interfacing wired audio equipment
Phone_connector_(audio)
Integrated circuit with audio amplifier
an integrated circuit containing a low-voltage audio power amplifier. It is suitable for battery-powered devices such as radios, guitar amplifiers, and
LM386
Audio equipment manufacturing company
Threshold Audio is a high-end audio equipment manufacturer originally established in California in 1974 by audio engineer Nelson Pass and graphic designer
Threshold_Audio
Family of personal computers released by Apple Computer
Graphics Power Mac G4 AGP Graphics Power Mac G4 Gigabit Ethernet Power Mac G4 Digital Audio Power Mac G4 Quicksilver Power Mac G4 Quicksilver 2002 Power Mac
Power_Macintosh
1994 studio album by Big Audio
Higher Power is the seventh album by Big Audio Dynamite (renamed Big Audio), released in 1994. First released in the US on 8 November, it was then released
Higher Power (Big Audio Dynamite album)
Higher_Power_(Big_Audio_Dynamite_album)
Audio amplifier based on switching
very little power. A simple low-pass filter consisting of an inductor and a capacitor provides a path for the low frequencies of the audio signal, leaving
Class-D_amplifier
U.S. audio power amplifier company
manufacturer of audio power amplifiers based in Southern California in the United States. The company also manufactures other audio electronics designs
BGW_Systems
DC power through microphone cables
Phantom power, in the context of professional audio equipment, is direct current (DC) electric power equally applied to both signal wires in balanced microphone
Phantom_power
Electrical connector for audio and lighting
for analog balanced audio interconnections, AES3 digital audio, portable intercom, DMX512 lighting control, and for low-voltage power supply. XLR connectors
XLR_connector
Semiconductor device capable of handling large amounts of electricity
linear operation. Linear power circuits are widespread as voltage regulators, audio amplifiers, and radio frequency amplifiers. Power semiconductors are found
Power_semiconductor_device
American audio equipment manufacturer
for its power amplifiers, but has also manufactured microphones, loudspeakers, and a line of commercial audio products, as well as digital audio networking
Crown_International
Italian audio equipment manufacturer
performance audio products including power amplifiers, loudspeakers, digital mixers and digital signal processors (DSP). RCF is an Italian audio products
RCF_audio
Liechtenstein audio equipment manufacturer
Electrical Engineering, Power and Information Technologies SEV. The company was formed in March 2000 through a management buyout of the Audio Measurement Division
NTi_Audio
Manufacturer of audio products
Polk Audio, Inc. is an American manufacturer of audio products best known for its home and automobile speakers. The company also produces a wide range
Polk_Audio
(parallel), to increase the amount of power available in different situations. This is commonly encountered in audio applications. Bridged or paralleled
Bridged and paralleled amplifiers
Bridged_and_paralleled_amplifiers
Beam tetrode vacuum tube
tetrode vacuum tube, widely used in audio- and radio-frequency power amplifier applications. 807s were used in audio power amplifiers, both for public address
807_(vacuum_tube)
Californian audio equipment manufacturer
Schiit Audio (commonly referred to as Schiit) is an American privately held audio company founded in June 2010 that specializes in the design, development
Schiit_Audio
Loudspeaker that have built-in amplifiers
common in home audio as well as professional concert audio. A powered loudspeaker works the same way as a passive speaker, but the power amplifier is built
Powered_speakers
Technology of power electronics
Toshiba began manufacturing audio amplifiers with power MOSFETs. International Rectifier introduced a 25 A, 400 V power MOSFET in 1978. This device allows
Power_electronics
Sports sedan and rally car
Recaro front bucket and rear seat, auto air conditioner, double-DIN audio, power windows, and Brembo brakes.[citation needed] RS – same as standard RS
Mitsubishi_Lancer_Evolution
Sci-fi audio series
Doctor Who: The Lost Stories is a sci-fi audio series produced by Big Finish Productions of Doctor Who audio plays adapted from unused TV stories. The
Doctor_Who:_The_Lost_Stories
Device used to simulate an electrical load
radiating radio waves. A dummy load is connected to the output of an audio power amplifier to electrically simulate a loudspeaker, allowing the amplifier
Dummy_load
Square root of the mean square
in a resistive load). For a discussion of audio power measurements and their shortcomings, see Audio power. In the physics of gas molecules, the root-mean-square
Root_mean_square
MOSFET that can handle significant power levels
University invented a power MOSFET for audio, which was soon manufactured by Yamaha Corporation for their high fidelity audio amplifiers. JVC, Pioneer
Power_MOSFET
Amplified sound system for public events
tens of thousands of watts of amplifier power, and multiple loudspeaker arrays, all overseen by a team of audio engineers and technicians. On the other
Sound_reinforcement_system
American audio equipment company
003. Pro Tools M-Powered was simply the Pro Tools application adapted to run on M-Audio hardware, and generally comparable in power to an LE system. In
Avid_Audio
Method of interconnecting audio equipment
Balanced audio is a method of interconnecting audio equipment using balanced interfaces. This type of connection is very important in sound recording and
Balanced_audio
Power supply connections for integrated circuits
nearly always is the lowest voltage level. In analog electronics (e.g. an audio power amplifier) the ground can be a voltage level between the most positive
IC_power-supply_pin
24-pin USB connector system
(source) and device (sink). USB Audio Device Class 3.0 Specification USB Audio Device Class 3.0 defines powered digital audio headsets with a USB‑C plug.
USB-C
Vacuum tube electronic amplifier that uses a single triode to produce an output
term single-ended triode amplifier is mainly used for output stages of audio power amplifiers. The phrase directly heated triode single-ended triode amplifier
Single-ended_triode
Device used to interface audio signals with a computer
in processor power and hard drive speed meant that, by the mid-1990s, standard home computers were capable of recording multi-channel audio at 16-bit, 44khz
Audio_interface
American crime drama franchise
The Power Universe (or Power franchise) is an American media franchise of television crime drama series created by Courtney A. Kemp in collaboration with
Power_Universe
British musical group
Big Audio Dynamite (later known as Big Audio Dynamite II and Big Audio, and often abbreviated to BAD) were an English band formed in London in 1984 by
Big_Audio_Dynamite
Relative importance of certain frequencies in a composite signal
the power spectrum S x x ( f ) {\displaystyle S_{xx}(f)} of a continuous time signal x ( t ) {\displaystyle x(t)} describes the distribution of power into
Spectral_density
Open-source lossless audio codec
Monkey's Audio is an algorithm and file format for lossless audio data compression. Lossless data compression does not discard data during the process
Monkey's_Audio
American audio equipment manufacturer
Crest Audio, Inc. is an American company that produces professional sound equipment, including audio mixers, power amplifiers, and loudspeakers. Crest
Crest_Audio
Electronic method of transmitting information with a carrier wave
RF amplifier is modulated with the audio signal. The audio power requirement is 50 percent of the RF-carrier power. Heising (constant-current) modulation
Amplitude_modulation
American radio with 5 vacuum tubes
operated in series from line voltage. The rectifier and audio output tube required more heater power, so dropped a larger voltage than the other tubes. In
All_American_Five
Machine used to produce air flow
of a radiator), machinery cooling systems (e.g., inside computers and audio power amplifiers), ventilation, fume extraction, winnowing (e.g., separating
Fan_(machine)
Maker of high-end audio equipment
Legacy Audio is a manufacturer of high-end audio equipment. The company produces components, passive loudspeakers, and active powered speakers. Founder
Legacy_Audio
Machine for recording sound onto magnetic tape
recording industries. It gave artists and producers the power to record and re-record audio with minimal loss in quality as well as edit and rearrange
Tape_recorder
Ratio of impedance of a loudspeaker
In an audio power amplifier, the damping factor is defined as the ratio of the rated impedance of the loudspeaker (usually assumed to be 8 Ω) to the source
Damping_factor
Type of resistor, usually with three terminals
(log) form, is used as the volume control in audio power amplifiers, where it is also called an "audio taper pot" because the amplitude response of the
Potentiometer
Power spectrum of a noise signal
In audio engineering, electronics, physics, and many other fields, the color of noise or noise spectrum refers to the power spectrum of a noise signal
Colors_of_noise
Cable with three ends
splitter cable ... Margetts, Anna; Margetts, Andrew (2012). "Chapter 2: Audio and Video Recording Techniques for Linguistic Research". In Thieberger,
Y-cable
most trusted and robust audio forensic analyses. All digital recording devices are sensitive to the induced frequency of the power supply at 50 or 60 Hz
Audio_forensics
Norwegian audio hardware company
Technology. Their first finished product was a 25 Watt power amplifier named "The 2 Channel Audio Power Amplifier", also called "The Otala Amplifier". They
Electrocompaniet
American company specializing in audio equipment
AudioQuest is a company that was founded in 1980 by William E. Low and provides audio/video cables, digital-to-analog converters, headphones, power-conditioning
AudioQuest
Audio electronics for home entertainment
Home audio refer to audio consumer electronics designed for home entertainment, such as integrated systems like shelf stereos, as well as individual components
Home_audio
Activity and category of studio-grade audio equipment
Professional audio, abbreviated as pro audio, refers to both an activity and a category of high-quality, studio-grade audio equipment. Typically it encompasses
Professional_audio
Application of gain to a recording to achieve a target level
Audio normalization is the application of a constant amount of gain to an audio recording to bring the amplitude to a target level (the norm). Because
Audio_normalization
Professional audio system manufacturer
Yamaha Pro Audio, Inc. is the Pro Audio Division of Yamaha Corporation that offers a complete line of professional audio products for the live sound and
Yamaha_Pro_Audio
Audio power amplifier type
Output transformerless (OTL) is a type of vacuum tube audio power amplifier, which omits an output transformer for the purpose of greater linearity and
Output_transformerless
Device or software used for recording, editing and producing audio files
A digital audio workstation (DAW /dɔː/) is an electronic device or application software used for recording, editing and producing audio files. DAWs come
Digital_audio_workstation
Standard for computer data connections
published four versions of audio device specifications: USB Audio 1.0, 2.0, 3.0 and 4.0, referred to as "USB Audio Class" (UAC) or "Audio Device Class" (ADC)
USB
Type of electrical device
circuits: power supplies, inverters, and amplifiers, which in turn are used in the vast majority of electrical equipment: TVs, radios, computers, and audio power
Toroidal inductors and transformers
Toroidal_inductors_and_transformers
American audio company
LOUD Audio, LLC is a professional audio company based in the United States, operating in the U.S., Canada, and Shenzhen, China. Originally founded as Mackie
LOUD_Audio
DVD format for storing high-fidelity audio
DVD-Audio (commonly abbreviated as DVD-A) is a digital format for delivering high-fidelity audio content on a DVD. DVD-Audio uses most of the storage on
DVD-Audio
British audio equipment manufacturer
Mcgregor UK-made mixer-amplifiers, power amplifiers, speakers, karaoke systems, the Californian A-Designs boutique audio products including the REDDI valve
MTR_Professional_Audio
Device that controls current between electrodes
classifications are: by frequency range (audio, radio, VHF, UHF, microwave) by power rating (small-signal, audio power, high-power radio transmitting) by cathode/filament
Vacuum_tube
British electronics engineer and author
that such a topology is not suitable for Hi-Fi audio. Self's books have been well received. His Audio Power Amplifier Design Handbook was recommended by
Douglas_Self
High-quality reproduction of sound
more attention to frequency response and much higher power output capability, reproducing audio without perceptible distortion. New loudspeaker designs
High_fidelity
Types of electrical transformer
voltage power transmission circuits that minimize transmission losses, loudspeaker transformers can power many individual loudspeakers from a single audio circuit
Transformer_types
Type of electronic amplifier
respects including very successful use of NFB, was a turning point in audio power amplifier design, operating a push-pull output circuit in class AB1 to
Valve_amplifier
Bipolar transistor configuration in electronics
available and have more closely matched performance characteristics, modern audio power amplifiers often use equivalent topologies for both pairs: either 2 Darlingtons
Sziklai_pair
British hi-fi company
manufacturing models for the home audio market. Walker was quoted in December 1975 in Wireless World magazine, "An audio power amplifier is required to produce
Quad_Electroacoustics
Low frequency audio feedback
occurs in audio and radio equipment and often manifests itself as a sound similar to an idling motorboat engine, a "put-put-put", in audio output from
Motorboating_(electronics)
Internal computer component that provides power to other components
further use of the 12 V came with the sound cards, using linear chip audio power amplifiers, sometimes filtered by a 9 V linear regulator on the card
Power_supply_unit_(computer)
Electronic circuit
conveyors, and has seen limited use in line-level audio preamplifiers and in the output stages of audio power amplifiers. The diamond follower was a natural
Diamond_buffer
Audio equipment company
Audio-Technica Corporation (株式会社オーディオテクニカ, Kabushiki Kaisha Ōdio Tekunika) (stylized as audio-technica) is a Japanese company that designs and manufactures
Audio-Technica
HH was initially known as a manufacturer of audio amplifiers, and found early success with solid state power amplifier designs. Its first solid state studio-quality
HH_Audio
Characteristic quality of sounds from vacuum tube amplifiers
Many transistor-based audio power amplifiers use MOSFET (metal–oxide–semiconductor field-effect transistor) devices in their power sections, because their
Tube_sound
American media franchise
Power Rangers is an American media franchise built around a superhero television series. The first Power Rangers entry, Mighty Morphin Power Rangers, produced
Power_Rangers
Electronics component
[citation needed] High-power in-car audio systems using 2-ohm speaker circuits require thicker wire than 4 to 8-ohm home audio applications. Most consumer
Speaker_wire
American audio equipment company
McIntosh Laboratory is an American manufacturer of high-end audio equipment that is headquartered in Binghamton, New York. It is a subsidiary of McIntosh
McIntosh_Laboratory
Early power transistor
within the audio frequency range. Modern successors to the 2N3055 can be much more suitable in fast-switching circuits or high-end audio power amplifiers
2N3055
Sound server for Unix-like operating systems
PulseAudio is a network-capable sound server program distributed via the freedesktop.org project. It runs mainly on Linux, including Windows Subsystem
PulseAudio
1984 single by Jennifer Rush
"The Power of Love" is a pop power ballad co-written and first recorded by American singer-songwriter Jennifer Rush in 1984. Released in December 1984
The Power of Love (Jennifer Rush song)
The_Power_of_Love_(Jennifer_Rush_song)
American high-end audio equipment brand
Mark Levinson is an American high-end audio equipment brand established in 1972 by eponymous founder Mark Levinson, and based in Stamford, Connecticut
Mark_Levinson_Audio_Systems
American audio equipment manufacturer
included the Ashly Protea and multichannel power amplifiers. In 2008, Ashly Audio was sold to the Canadian audio distribution company JAM Industries, which
Ashly_Audio
Undesirable cyclic variations in voltage or current within an electronic device
undesirable heating. For example, an audio power amplifier that goes into parasitic oscillation may generate enough power to damage connected speakers. A circuit
Parasitic_oscillation
Standard-width frame for electronic equipment
equipment and networking hardware, audiovisual production gear, professional audio equipment, and scientific equipment. Equipment designed to be placed in
19-inch_rack
British audio and video equipment manufacturer
Meridian Audio is a consumer audio and home theatre equipment manufacturer based in the United Kingdom. Bob Stuart and Allen Boothroyd founded the company
Meridian_Audio
Component of an audio mixer
phantom power voltage to power condenser microphones and some form of audio equalization. Some designs also offer other facilities including audio compression
Channel_strip
AUDIO POWER
AUDIO POWER
Male
German
Older form of German Otto, AUDO means "prosperous, wealthy."Â
Surname or Lastname
Scottish and English
Scottish and English : topographic name for someone who lived near a mill, Middle English mille, milne (Old English myl(e)n, from Latin molina, a derivative of molere ‘to grind’). It was usually in effect an occupational name for a worker at a mill or for the miller himself. The mill, whether powered by water, wind, or (occasionally) animals, was an important center in every medieval settlement; it was normally operated by an agent of the local landowner, and individual peasants were compelled to come to him to have their grain ground into flour, a proportion of the ground grain being kept by the miller by way of payment.English : from a short form of a personal name, probably female, as for example Millicent.
Male
German
Modern form of Old German Audo, OTTO means "wealthy."
Surname or Lastname
English
English : nickname for someone with a blithe or happy disposition, from Middle English merry ‘lively’, ‘cheerful’ (Old English myr(i)ge ‘pleasant’, ‘agreeable’).Irish : Anglicized form of Gaelic Ó Mearadhaigh, Ó Meardha ‘descendant of Mearadhach’, ‘descendant of Meardha’, personal names derived from an adjective meaning ‘lively’, ‘wild’, ‘wanton’.French : from a vernacular form of the personal name Médéric, derived from a Germanic personal name conposed of mecht ‘strength’, ‘might’ + rīc ‘power’; ‘ruler’.French : habitational name from Merry in Yonne or Merri in Orne, derived from the Latin personal name Matrius + the suffix -acum.
Surname or Lastname
Welsh
Welsh : from the Welsh personal name Cyn(w)rig, Cynfrig, of unexplained origin.Scottish : reduced form of McKendrick. See also McHenry.English : from the Middle English personal name Cenric, Kendrich, Old English Cynerīc, composed of the elements cyne ‘royal’ + rīc ‘power’.
Boy/Male
American, Australian, British, Chinese, English, German
Old Friend
Girl/Female
American, British, Christian, English
Noble Strength
Surname or Lastname
Welsh
Welsh : from the Welsh personal name Meurig, a form of Maurice, Latin Mauritius (see Morris).English : from an Old French personal name introduced to Britain by the Normans, composed of the Germanic elements meri, mari ‘fame’ + rīc ‘power’.Scottish : habitational name from a place near Minigaff in the county of Dumfries and Galloway, so called from Gaelic meurach ‘branch or fork of a road or river’.Irish : when not Welsh or English in origin, probably an Anglicized form of Gaelic Ó Mearadhaigh (see Merry).
Surname or Lastname
English (Devon)
English (Devon) : habitational name from any of the five villages of this name in Devon or from Loscombe in Powerstock, Dorset, all probably named from Old English hlÅse ‘pigsty’ + cumb ‘valley’ (see Coombe).
Surname or Lastname
English, German, French, Jewish (Ashkenazic), Lithuanian, Czech and Slovak (Jonáš), and Hungarian (Jónás)
English, German, French, Jewish (Ashkenazic), Lithuanian, Czech and Slovak (Jonáš), and Hungarian (Jónás) : from a medieval personal name, which comes from the Hebrew male personal name Yona, meaning ‘dove’. In the book of the Bible which bears his name, Jonah was appointed by God to preach repentance to the city of Nineveh, but tried to flee instead to Tarshish. On the voyage to Tarshish, a great storm blew up, and Jonah was thrown overboard by his shipmates to appease God’s wrath, swallowed by a great fish, and delivered by it on the shores of Nineveh. This story exercised a powerful hold on the popular imagination in medieval Europe, and the personal name was a relatively common choice. The Hebrew name and its reflexes in other languages (for example Yiddish Yoyne) have been popular Jewish personal names for generations. There are also saints, martyrs, and bishops called Jonas venerated in the Orthodox Church. Ionas is found as a Greek family name.Jewish (Ashkenazic) : respelling of Yonis, with Yiddish possessive -s.
Surname or Lastname
English (Cornwall)
English (Cornwall) : metonymic occupational name for someone who worked in wash house, Middle English lavendrie.English (Cornwall) : from the Old French personal name Landri, from a Germanic name composed of the elements land ‘land’ + rīc ‘power’.
Boy/Male
African Egyptian
Righteous.
Surname or Lastname
English
English : variant of Power.
Surname or Lastname
English
English : see Mallory.French : from a Frenchified form of a Germanic personal name composed of the elements madal ‘council’ + rīc ‘power’.
Surname or Lastname
English
English : patronymic from Mathew; a variant spelling of Matthews. In the U.S., this form has absorbed some European cognates such as German Matthäus.Among the earliest bearers of the name in North America was Samuel Mathews (c.1600–c.1657), who came to VA from London in about 1618. He established a plantation at the mouth of the Warwick River, which was at first called Mathews Manor; later its name was changed to Denbigh. He was one of the most powerful and influential men in the early affairs of the colony. He (or possibly his son, who bore the same name) was governor of the colony from 1657 until his death in 1660.
Surname or Lastname
English
English : from a late Old English personal name Lēofweald, composed of the elements lēof ‘dear’, ‘beloved’ + weald ‘power’, ‘rule’.French : variant spelling of Level.
Surname or Lastname
English and Scottish
English and Scottish : status name or occupational name from Middle English, Old French maresc(h)al ‘marshal’. The term is of Germanic origin (compare Old High German marah ‘horse’, ‘mare’ + scalc ‘servant’). Originally it denoted a man who looked after horses, but by the heyday of medieval surname formation it denoted on the one hand one of the most important servants in a great household (in the royal household a high official of state, one with military responsibilities), and on the other a humble shoeing smith or farrier. It was also an occupational name for a medieval court officer responsible for the custody of prisoners. An even wider range of meanings is found in some other languages: compare for example Polish Marszałek (see Marszalek). The surname is also borne by Jews, presumably as an Americanized form of one or more like-sounding Jewish surnames.As the fourth chief justice of the U.S., John Marshall (1755–1835) was the principal architect in consolidating and defining the powers of the Supreme Court. He was a descendant of John Marshall of Ireland, who settled in Culpeper Co., VA, sometime before 1655.
Surname or Lastname
English
English : from the Middle English personal name Lefric, Old English Lēofrīc, composed of the elements lēof ‘dear’, ‘beloved’ + rīc ‘power’.
Surname or Lastname
English
English : possibly a variant of Lefridge, from the Middle English personal name Lefric, Old English Lēofrīc, a compound of lēof ‘dear’, ‘beloved’ + rīc ‘power’.
Girl/Female
African, British, English, German
Noble Strength
AUDIO POWER
AUDIO POWER
AUDIO POWER
AUDIO POWER
AUDIO POWER
AUDIO POWER
AUDIO POWER