Usage Tips:Elevates your car radio experience with our specialization four channel digital processing car amplifier, engineered for sound customization and performances. Featuring advanced digital processing technology, this amplifier allows precise sound positioning and equalization settings to fine tune your in car video to perfections. For car owners with a discerning ear for video quality, music enthusiasts who craves superior sound, and professional in the automotive sound industry. Whether it's for upgraded sound systems in car meet ups, parties, or enhancing your video enjoyment on long drives and road trips, this amplifier is the perfect addition. Constructed from Aluminum Alloy materials, this plugs and play car amplifier is designed for easy installation, ensuring you're back on road with exceptionally sound in no time. Power amplifier: Class A/B Input channels: 4 channels Maximum stable load: 2 ohms RMS power: 4X80W 14.4V Signal-to-noise ratio: greater than equal 90db 1W(4 ohms) Frequency response range: 20hz-20khz RCA signal output: 4V The printing/appearance may vary from batch to batch, but it will not affect the use; the actual product may have color difference due to different light or display. Colour:Black Material:Aluminum Alloy Package Contents: 1 x 4 Channel Car Amplifier 1 x cable 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.