Check the listing for details. EBB 500 Mosfet Amplifier Module 500W RMS Audio Disco PA Power Amplifiers. Condition: New. Listed at 63.85 USD. BY POPULAR REQUEST EBB 500 Mosfet Amplifier Module This amplifier is exclusively designed and produced for us It offers a highly versatile and easy to mount module It comes supplied with a full data sheet including circuit diagram, power supply details and constructional hints and tips. Comes fully assembled with heat-sink bracket These modules are ideally suited to Disco, PA and Instrument amplifiers and offer high reliability and good sound quality Specification:Mosfets: IRFP240 AND IRFP9240 DC supply voltage Vs: ± 60 to ± 90 Volt Output power (1KHz continuous sine Vs= ±90V): 496W RMS (992W pk) into 8 ohms 740W RMS (1480W pk) into 4 ohms Input impedance: 50K Bandwidth: -3dB @ 10Hz to 40KHz Total harmonic distortion: < 0.01% @ 1W 1KHz Input Sensitivity: 1.00V (2.82V pk-pk) @496W Signal to noise ratio: > 98dB Output slew rate: 20V/uS Dimensions: 200 x 110 x 40 mm including bracket (W x L x H) Note: The module bracket serves as a convenient method of mounting the amplifier and eliminates the hassle of insulating the mosfets however an external heat-sink is still required with the module Two modules will be required for stereo amplifiers Power Supply Modules & Vigortronix VTX-146 Series Toroidal Transformers are available in our shop to compliment this itemSales to EU As this purchase is from the UK it is possible that your local postal service may make an additional charge on delivery of your purchase. We do not have advanced notification of these charges.