Pioneer stereo amplifier SA-V20II with digital echo function. It has multiple input terminals and tone control functions. - Brand: Pioneer - Model: SA-V20II - Type: Stereo Amplifier - Color: Black - Features: Digital echo function - Connection Terminals: Multiple input terminals - Controls: Volume, tone control Thank you for viewing. Brief sound output check performed on all speakers. Microphone input 1.2.3: OK Microphone echo: OK Rear video input: OK Rear wired input: OK Rear tape, spare input: OK Key control: OK Although the sound output has been confirmed as above, the function may be unstable, especially with wired connections, so this item is being sold as junk. Please understand that this is a used item and may have scratches and stains. Please purchase only if you understand this. Returns are not accepted.