Description: The shell is made of aluminum which is durable and sturdy. Low noise and independent bass output, subwoofer independent amplitude adjustment button, a high fidelity power. Using high-power non-sense resistance, good stability, support high temperature working. Suitable for car audio, home cinema, computer speakers, MP3 or other audio equipment Fine craft of solid part, cooperate with reasonable motherboard, not easy to appear failure. Compact body and it is easy to install. Specification: Shell Material: Aluminum Color: As picture shown Size: about 20 x 20 x 5 cm Input: 12V Distortion: <0.02% Max Power: 3800W Impedance: 2~4 Frequency: 20Hz-20KHz SNR: >95dB Sensitivity: 150mV MAX Power Rating: 4 ohms: 1200 watts x 2 channel, 2 ohms: 1900 watts x 2 channel RMS Power Rating: 4 ohms: 800 watts x 2 channel, 2 ohms: 1300 watts x 2 channel Package Included: 1 x Car Amplifier 1 x Manual 1 sets x Screws Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement.