Technical Pro LZ10K Professional 10,000 Watt 2-Channel Amplifier With LCD Display and Key Lock Technical Pro LZ10K Professional 10,000W 2-Ch Amplifier w/ LCD Display+Key Lock Bridge / stereo selector Built-in key lock (cuts audio output to prevent tampering) Inputs: Balanced XLR, 1/4'' Outputs: Speakon, Banana binding post Bridge / stereo selector