The Whirlwind  Mix-7 is a versatile stereo mixer, combining four mono mic/line inputs and three stereo line inputs, in a compact, easy to use one rack space package. The  Mix-7 provides up to 76 dB of gain, professional quality signal to noise ratio and full frequency response. Designed for use anywhere microphone and music sources need to be combined, the  Mix-7 is ideal for use in broadcast production, sports facilities and banquet rooms. Features include stereo/mono switching, a tone control on each of the mic/line inputs, two place master EQ, metering and a stereo/mono switch on the main outputs.