Equipped with fiber optic input and standard 16PIN adapter cable, plug and play, no cable breakage, non-destructive installation; Support mobile app sound adjustment;(Support Android / iOS ) Support AUX/USB sound input Support wireless BT music playback Suitable for vehicles: 12V vehicles Product Features Suitable for: modified car Android radios, with a general power amplifier of 16W for a versatile large screen, and a power amplifier of 4 x 80W for enhanced sound effects; Support DSP adjustment. Support music playback: MP3 playback (optional). Support wireless BT music. Support AUX input. Support optical fiber input. Support coaxial input. Support RCA output. Support USB connection. Support APP (iOS/Android) control. Product specification: 1. Output power: 80WX4 2. Signal-to-noise ratio: Greater than 70dB 3. Standard distortion:0.1% 4. Standby current: 5mA 5. Voltage range: 9-16V 6. Maximum working current: 25A 7.12V power 8.16Pin universal wire Colour: Black Material: plastic + metal Package Contents: 1 x Car Digital Audio Processor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.