Features:, Class “D” High-Current Dual Discrete Drive Stages, Wireless Bluetooth Audio Interface, Mosfet PWM Power Supply, Electronic Crossover Network, Low Pass Filter Controls, Bass Boost Circuitry, Subsonic Circuitry, PHASE Circuitry, Remote Control, PWM (Pulse-Width-Modulation) System, Glass Epoxy PCB, Custom Terminal Block for Speaker Connection, Thermal / Overload / Short Circuit Protection, Soft Turn On/ Off, Advanced Protection Circuitry, Chrome RCA Inputs, Power Speaker Terminals, Line Output (L/R) Channels, 5 Way Protections, Power + Protection LED Indicators, What's in the Box:, Invincible Series Amplifier, High to Low Converter, (4) Tapping Screw 0.16 x 0.63’’ -inches, (2) Tapping Screw 0.12 x 0.47’’ -inches, (4) Spacer F4.0, (2) Spacer F3.0, (2) Fuse-25A, Remote Control, Telephone Wire, Technical Specs:, 1 x 200 Watt RMS @ 4 Ohm, 1 x 350 Watt RMS @ 2 Ohm, 1 x 500 Watt RMS @ 1 Ohm, 1 x 1000 Watt MAX @ 1 Ohm, Frequency Response 10 Hz-250Hz (±3dB), Output Power @ 14.4v DC, 50Hz, Input Impedance: 20K Ohms, S/N Ratio: >90dB, T.H.D.: <0.01%, LPF Freq. Resp.: 50Hz - 250Hz, Subsonic Freq. Resp.: 10Hz~50Hz, Phase.:0 - 180°, Bass Boost(50Hz): 0 - 18dB, Input Sensitivity:0.2V~6V, Fuse: 25A x2, Product Dimensions (L x W x H): 9.21'' x 8.13'' x 2.28'' -inchesCOMPACT AND LIGHTWEIGHT: The Pyle Class D Mosfet Amplifier is compact with an exact dimension of 9.21'' x 8.13'' x 2.28'' -inches and lightweight. It is also equipped with a PWM system with Chrome RCA inputs, and power speaker terminals. SHORT CIRCUIT PROTECTION: Equipped with an advanced protection circuitry, power + protection LED Indicators and a custom terminal block for speaker protection from thermal/overload / short circuit conditions. Keeps amp safe & secure for long term use. IDEAL FOR AUDIO ENTERTAINMENT: Featuring Pyle Mosfet Amplifier that pursue excellence with crispy and loud sound, this mono amp gives you that ideal entertainment system, perfect and ideal for studio and on stage performances. MOSFET PWM POWER SUPPLY: Pyle Mosfet Amplifier with an electronic crossover network and Mosfet PWM power supply that perfectly regulates the output voltage. Also equipped with wireless BT audio interface. 1000 WATT MAX POWER: The 1000 watt 1 channel high power mosfet amplifier has a low filter, perfect for your stereo entertainment system. The Pyle Class AB Monoblock Amp also has a soft turn on/off to save energy & line output (L/R) Channels.