"SPECIFICATIONS :: Total Power 14,4 @ 2 Ohms : 4 x 100 WRMS | Total Power 14,4 @ 4 Ohms : 4 x 70 WRMS | Total Power 14,4 Bridged @ 2-4 Ohms : 2 x 200 WRMS | Efficiency @ 4 Ohms : 0.84 | Efficiency @ 2 Ohms : 0.77 | Input Voltage : 9 – 15V | Input Impedance : 22K Ohms | THD+Noise : 0,10% | " | "SPECIFICATIONS :: THD+Noise : 0,10% | Input Sensitivity : 140mV – 680V | SNR : 85dB | Frequency Response : 5 to 22KHz (-3dBs) | HPF (High Pass Filter) : 20 to 90Hz @ 12dB/octave Linkwitz-Riley | LPF (Low Pass Filter) : 90 to 20kHz @ 12dB/octave Linkwitz-Riley | Recommended Fuse : 30 A | Current at Rest : 1 A | Average Current Draw (Sinusoidal) : 30 A | Average Current Draw (Music) : 20 A | Power Wire Gauge (min. Recommended) : 6mm / 9 AWG | " | "SPECIFICATIONS :: SPEAKER WIRE GAUGE (MIN. RECOMMENDED) Weight (Lb) : 1,8 | Height (in) : 1,6 | Width (in) : 4,8 | Depth (in) : 8,0 | " | Class D operation provides exceptional power and efficiency, allowing the amplifier to deliver up to 400 WRMS of maximum power across four channels || Active crossover per key and band pass capabilities provide advanced control over the frequency response, allowing you to fine-tune the sound to your specific needs || | With a frequency response range of 20Hz to 20kHz and THD of less than 1%, this amplifier produces crystal-clear, distortion-free sound across the entire audible spectrum || Compact and lightweight at only 1.72 lbs and with a height of 4.57 inches, width of 5 inches, and depth of 2.09 inches, this amplifier is perfect for use in tight spaces or on-the-go applications such as car or motorcycle audio systems.