Check the listing for details. Technical Pro 1600w RX4CH 4-Channel, 8-Speaker Bluetooth compact Receiver. Condition: Used. Listed at 79.99 USD. Technical Pro RX4CH No Remote Control4-channel amplifier/receiver with 1600W peak power output that's capable of driving eight speakers coupled into four zones with individual volume controls.This receiver features two stereo RCA inputs and a 3.5mm Aux input, allowing you to play music from a variety of sources. A USB port and SD card slot are also onboard, enabling you to record WAV files or play MP3s or other file types. Dual 1/4" microphone inputs let you sing along with your favorite tracks with echo and delay effects for sounding your best.120W RMS both channels driven at 1.0% THD at 8 ohmsPower 8 speakers at the same timeEach of the 4 channels has a dedicated Volume control that can be adjusted to control 2 speakers1600W peak powerInputs: RCA, USB, SD Card, and AuxOutputs: banana blinding post 4 CH, 2 speakers per channel (8 speakers total), RCA (record line out)Bass and treble controlsHeadphone jackHeadphone switch with dedicated headphone volumeDual 1/4'' mic inputs with volume, echo, and delay controlsMic Priority switchUSB & SD Card maximum size: 128GBPlays .mp3 files from USB drives and SD cardsRecord from the Aux / RCA inputs onto the USB or SD card inputsRecordings onto the USB flash drive, SD card will be .mp3 file formatRepeat / Random playback on USB / SD card inputsDisplay screen will show track number and elapsed time on the USB/SD card