FX FX502A 50W x 2 HIFI 2-Channel Digital Power Amplifier - Black (100~240V)
Power: 50W 4ohm 25W 8ohm.Efficiency: 81%@50W,4ohm 88%@25W,8ohm. Dynamic range: 100dB. Color: black. Material: aluminum. Casing process: pull lines. Oxidation (won't rub off like spray paint). Screen printing technology: radium vulture (won't rub off like spray paint). Signal input: RCA signal input. Signal output: 4-line signal output. Power supply:DC 12-25V 50W above external diameter is 5.5mm negative. Inner diameter is 2.1mm positive. Circuit board: 1.6mm thickness. Full glass fiber.