Item description from the seller

5800W 4 Channel Car Amplifier Stereo Audio Super Bass Power Subwoofer Amp 12V

Features:

• The 5800W high power car amplifier can effectively improve the audio quality of the car and bring good experience to the user.
• It can amplify weak signals from audio sources or preamplifiers without changing the sound quality, and boost the sound of speakers.
• High quality aluminum alloy shell, exquisite and beautiful, high quality texture, strong shock resistance.
• With multiple cooling holes, fast heat dissipation, good stability.
• The powerful electric circulating coil ensures sufficient power during operation, which is safer, more efficient and more stable.
• Compact and ultra-thin, easy to install.
• Four-channel high-power design meets the needs of most users.

Specification:

• 100% brand new with high quality
• Material: Aluminum Alloy
• Type: Class A/B
• Channel: 4
• Voltage: 12.0V
• Actual Power: 4 * 120W
• Max. Power: 5800W
• Impedance: 4Ω
• Signal-to-Noise Ratio(SNR): 92dB
• Frequency Response: 10Hz-30KHz
• Size: 320 * 240 * 45mm/ 12.6 * 9.4 * 1.8in

Package Included:

• 1 * Power Amplifier

Note:

• The colors may be a little difference for the different monitor display. 
• Please check as much as possible to make sure the item is the one that you need.
• Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm)