Specifications:

• Item Type: Amplifier
• Channel: Stereo
• Output Power: 700W
• Frequency Range: 20HZ-20KHz
• Impedance: 47K
• SNR: -100DB 
• Sensitivity: 0.5mV-50mV
• Material: Aluminum alloy
• Input Sensitivity:
• Audio IN: 1 x RCA, 1 x 3.5mm earphone jack
• 1 x Power Socket(5.5mm/2.1mm)
• Output:
• Speaker OUT (Left) x 1 pair (+ / -)
• Speaker OUT (Right) x 1 pair (+ / -)
• Power Indicator (Blue LED) x 1
• Power Supply input DC 9V~14.4V 5A
• Power Efficiency: 81% at 20W, 4ohm, 88% at 12W, 8ohm
• Power Input: DC 9 - 14.4V 5A
• S/N RATIO: > 80dB
• T.H.D.Rated RMS Power: < 0.1%at 1 KHZ
• Channel: 4
• Sensitivity: 0.25mv-50mv
• Speaker Impedance: 2 - 8Ω
• Material: Lightweight aluminum
• Size: 120 x 147 x 42mm

Features:

• T-Amp Tripath
• Output Power 2 x 20W 4ohm, 2 x 12W 8ohm
• Signal-to-Noise Ratio (SNR) 98dB
• Dynamic Range 98dB
• IHF-IM Distortion 0.1%  1W, 4ohm
• THD Distortion
• 0.1%  10W 4ohm
• 10%   23W 4ohm
• 10%  13W 8ohm
• Aluminum alloy solid case and also easy to distribute the heat.
• It has Blue LED light ring round Volume Knob; Bass/Treble tuning.
• Mini size easy to installation by DIY without manual, especially good fit for car, motorcycle bike, boat, every where.