Model Number: XM-88-#4010 Brand Name: RDING Key Specifications/Special Features: Signal to noise: >80 dBFrequency response range: 20Hz-20KHzMaximum output voltage: 8VT.H.D + N: <0.05%Input sensitivity 1V ( RCA input ) 8V (speaker input )

Output impedance: 10K Ohms

Power requirement: 10.5-16 V

RCA output 5V = front X2 + rear X2 + sub X1

RCA input or speaker cable input = front & rear

Unit dimensions: 123mm* 68mm*24mm