Stereo Receivers, 5.1 Channel Audio Amplifier with Bluetooth 5.3, Optical/Coaxial, USB, FM, 2 Mic-in, Echo, RCA, AC-3 Input for Home, Karaoke, Theater Speakers, 60W/4R & 25W×3 RMS, MAMP4

HIGHER POWER, LOWER
NOISE: The 5.1 -channel amplifier supports 5 speakers and 1 subwoofer (L/R speaker
RMS: 60W/4R;
L/R surround and center speakers: 25W * 3) to enhance stereo sound. It supports PCM decoding only; Dolby and DTS decoding are not supported. The noise issue has been optimized, and relays have been added to the receiver, so standby-mode noise is almost eliminated.
MULTIFUNCTION REMOTE: The upgraded remote control supports treble, midrange, bass, echo, and Talkover settings in any input mode. The battery is not included.
MULTI-INPUT MODES: The audio receiver supports various sound source inputs, including Bluetooth 5.3, USB up to 64 GB, 1 RCA, 1 AC-3, 2 microphone inputs, AUX IN, and FM radio. Digital optical fiber and coaxial interfaces have also been added to fit most smart TVs. No HDMI input is available.
UPGRADED FM FUNCTION: Quickly select your preferred FM frequency by entering the numbers, making FM searching more convenient.
CUSTOMIZED EQ CONTROL: The amplifier and remote can independently control treble, midrange, and bass adjustments, allowing you to set the sound as desired. The amplifier can automatically save the selected mode, volume, and EQ settings, so you do not need to adjust them again after the next startup.
DUAL MIC INTERFACES: Equipped with dual 1/4'' microphone jacks for karaoke parties. The Talk Over function can lower the background music for clearer sound output during events, hosting, and speech occasions