The ADA-7551 provides virtually flawless performance in any television, radio or recording studio application. ADA-7551 and ADA-7801, two amplifiers can be used to obtain 8 outputs of stereo audio. Special design precautions have been taken to ensure that amplifier is perfectly stable under all load and rack wiring conditions. Amplifier also provides exceptionally good rejection of ground loop hum and other common-mode interference. Gain of up to +34 dB is available, jumper-selectable.