Features: 1. Rated Power 2x85w (4), Load Can Be Connected To 3/4/8/16 Ohm Speakers, Maximum Power 2 x 105w (4) 2. Power Input Reverse Protection, Overcurrent Protection, Overtemperature Protection, Undervoltage/Overvoltage Protection 3. Indicator Status Flavor Three Categories, Power Normal Work; Alarm Sound Distortion; Error Triggers Expansion 4. Low Quiescent Current, Noise Suppression 5.3.5mm Audio Input, 3p_2.54mm Terminal Audio Input 1. Product Category: Class D Stereo Amplifier 2. Working Voltage: Dc7-30v 3. Output Power: Rated Power 2x85w (4), Load Can Be Connected To 3/4/8/16 Ohm Speakers, Maximum Power 2 x 105w (4) 4. Performance Index Efficiency: 92% 5. Total Harmonic Distortion Plus Noise: Less than 1% 6. Gain: 34db, Low Quiescent Current, Noise Suppression 7. Protection Function: Power Input Reverse Protection, Overcurrent Protection, Overtemperature Protection, Undervoltage/Overvoltage Protection 8. Input Mode: 3.5mm Audio Input, 3p_2.54mm Terminal Audio Input 9. Indicator Status: (1) Power Is Working Normally; (2) Alarm Sound Distortion; (3) Error Triggers Expansion 10. Pcb Size: 66.4mm x 80mm(Length x Width) 11. Overall Size (Including Heat Sink): 66.4mm x 80mm x 22mm (Length x Width x Height) 12. Potentiometer Knob Opening: 7mm 13. Mounting Hole Spacing: 58.5mm x 57mm 14. Mounting Hole Size: M3 15.Color: As Shown 16.Material: plastic Package Contents: 1 x Digital Amplifier Module 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.