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: This 5.1 channel amplifier supports 5 speakers and 1 subwoofer (L/R speaker RMS: 60W/4; L/R surround & center speakers: 25W * 3) to improve stereo sounds. The noise issue has been addressed. Relays have been added to the receiver, reducing noise in standby mode. MULTIFUNCTION REMOTE: The amplifier comes with an upgraded remote control that enables adjustment of treble, midrange, bass, echo, and Talkover functions in any input mode (battery 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 and coaxial interfaces have been added for compatibility with most smart TVs. Note: HDMI input is not supported. UPGRADED FM FUNCTION: Quickly select your preferred FM frequency by entering numbers directly, making station searching more efficient. CUSTOMIZED EQ CONTROL: Both the amplifier and the remote can independently control treble, midrange, and bass adjustments, allowing you to tailor the sound to your liking. Your mode selection, volume, and EQ settings are automatically saved and will be retained after the next startup. DUAL MIC INTERFACES: Features dual 1/4" microphone jacks for karaoke parties. The Talk Over function lowers background music for clearer sound output during events, hosting, or speeches