LUXUS AUDIO AMC20500R - 2x50W class D audio amplifier with aluminum case

This is a 2x50W class D audio amplifier that complements TI's TPA3116. This amplifier can be powered by any DC12V-24V power supply. It can be used to drive 4 or 8Ω passive speakers. Easy to install and connect, it is an excellent solution for those who want to amplify the sound of computers, TVs, smartphones and other portable devices. Thanks to its small size, it can be placed in all solutions.

Specific Parameters

Dimensions 16 x 7.5 x 4.8 cm

Power 2 x 50 W

Amplifier Class D

Volume control Yes

Short circuit protection Yes

Overtemperature protection Yes

Weight 420 gr

Supply Voltages (VDC) - 12-24 V

Quiescent current SD Floating 1.3-2.5 W

Standby power SD connected to GND 0.1-0.3W

Maximum current 100W @ 4Ohm 5.29 A

Efficiency 50W @ 4Ohm 87-92%

Minimum load impedance - 3.2 Ω

Switching frequency SD Floating 394 KHZ

Gain - 24-26 dB

Input Sensitivity (RMS) @ 4Ω, 50W, 1KHz 808 mV

Input impedance - 22 KΩ

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Power output

36 W @ 4Ω THD + N 1%

36 W @ 4Ω THD + N 10%

Bandwidth @ ± 3dB @ 4Ω 20Hz-20KHz

THD

0.0299% @ 4Ω, 1W, 1KHz

0.073% @ 4Ω, 10W, 1KHz