DETAILSFeatures: Wireless Bluetooth Audio Interface Class “AB” High-Current Dual Discrete Drive Stages Mosfet PWM Power Supply Bass Boost Circuit Bridgeable at 4 Ohms 2 Ohm Stereo Stable Chrome RCA inputs, Power Speaker Terminals Stereo Line Outputs for Left and Right Channel Low Pass Filter Controls High Pass Filter Controls Band Pass Filter Controls 5 Way Protections Power and Protection LED Indicators Soft Turn-on/Turn-off What's in the Box: Mosfet Amplifier with Wireless Bluetooth Audio Interface Accessories Technical Specs: 4 X 250W + 1 X 650W RMS @ 4 Ohms 4 X 350W + 1 X 1,500W RMS @ 2 Ohms 2 X 1,000W MAX @ 4 Ohms Bridged 4 X 500W + 1 X 2,000W MAX @ 4 Ohms THD: 90dB Channel Separation: >65dB Freq. Response: 10Hz-45KHz LPF Freq. Response: 40Hz-250Hz HPF Freq. Response: 40Hz-250Hz BPF Freq. Response: 40Hz-3KHz Bass Boost(50Hz) : 0,6,12dB Input Sensitivity:0.2V~6V Fuse: 30A X 3 Product Dimensions (L x W x H): 19.29'' x 8.81'' x 2.24'' -inches What's In The BoxWhat's in the Box: Mosfet Amplifier with Wireless Bluetooth Audio Interface Accessories MANUALS & DOWNLOADS HTG559BT - Manuals