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TDA8947J 4-channel audio amplifier
https://www.nxp.com/docs/en/data-sheet/TDA8947J.pdf
4-channel audio amplifier 8.5 Built-in protection circuits The TDA8947J contains two types of detection sensors: one measures local temperatures of the power stages and one measures the global chip temperature. At a local temperature of approximately 185 °C or a global temperature of approximately 150 °C,
Amazon.com: 4 channel amplifier
https://www.amazon.com/4-channel-amplifier/s?k=4+channel+amplifier
Amazon.com: 4 channel home audio amplifier
https://www.amazon.com/4-channel-home-audio-amplifier/s?k=4+channel+home+audio+amplifier
The Best 4 Channel Amps For Sound Quality - Top Picks …
https://soundcertified.com/best-4-channel-amp-sound-quality/
A 4 channel amplifier with good sound quality will have a number around 90dB and above. The best, depending upon the rating used, will be 100dB and higher. Background noise exists in all amplifiers and appears as a slight “hiss” when you listen with no music playing.
How to use TDA1554, TA8225, HA13118 audio bridge …
https://www.eleccircuit.com/tda1554-audio-amplifier-circuits/
4 Channel Home Audio Amplifier 11 watt using TDA1554. This amplifier circuit is easy to build. Just use a single IC, but it has 4 channels, 11 watts per channel. Which it is Philip TDA1554 number. It is suitable for listening at home or in any vehicle. Just use the power supply 12-15 volt or will be used to increase any home theater sound system.
Muti-channel audio mixer circuit based on LM3900 IC. …
https://www.circuitstoday.com/multi-channel-audio-mixer-using-lm3900
The circuit consists of 4 channel quad amplifier (LM3900). Two mic audio inputs and two direct line inputs are available in this circuit. By adding the same circuit parallel with this, you can increase the number of inputs according to the applications. Each input is connected to the inverting terminal of LM3900.The built in amplifier of each section amplifies every audio …
Audio Amplifier ICs | Overview | Audio | TI.com
https://www.ti.com/audio-ic/amplifiers/overview.html
your audio system. From milliwatts to kilowatts, analog to digital and everything in between. We offer a wide range of easy-to-use audio amplifier integrated circuits, including digital and analog input Class-D speaker amps, Smart Amps, integrated headphone amps, audio op amps, and line drivers/receivers, across a wide range of output power and ...
Threshold Amplifier - Overview and Schematic Collection of ...
https://www.diyaudio.com/community/threads/threshold-amplifier-overview-and-schematic-collection-of-all-models.175138/page-5
Threshold-Audio.com. In its stock configuration, it's the "e" series Stasis circuit running class AB in the S/250 chassis that is running bipolar outputs. It is rated at 150 watts per channel. After I bought my first one I contacted Jon Soderberg who is an ex-Threshold tech to inquire about upgrading it.
Amplifiers with Built-in DSP for OEM Factory Rados
https://soundwarehouse.com/dsp.htm
audison Prima 4 Channel Car Audio Amplifier. Power Output: Max Power @ 4/2 Ohm W (RMS): 280 / 520 Load Imp. 4 Channels; 4 Ohm - 70 W x 4; 2 Ohm - 130 W x 4; Channels (bridge) 4 Ohm - 260 W x 2; Pre Out: 1 ch RCA / Wired x AP1D + 4 ch Wired x AP4D; Inputs: 6 ch Wired Hi-Lo Level; F/R + AUX Stereo; 2 Way F + R; F/R + Center + SUB; MSRP $880.00 each. PRICE REDUCED …
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