This Yamaha EMX312SC 12-channel mixer has been tested and works great. See the manufacturer's details below.

General Features:

• 12-channel powered mixer combines and balances your microphone, instrument, and line sources

• rugged, lightweight, and easy to set up

• two built-in amps can power main speakers in stereo or monitors and mains in mono

• output power (0.5%THD @ 1kHz): 300W x 2 max. at 4 ohms, 190W x 2 max. at 8 ohms

• Yamaha Speaker Processing (YSP) ensures smooth highs and enhances low frequencies

• inputs 1-4 feature a single-knob compressor circuit for quick, easy enhancement of instruments or vocals

• standby mode mutes mono inputs while leaving stereo inputs active, ideal for background music playback at set breaks

• conveniently located handles for easy carrying

Connections and Effects:

• inputs: 8 XLR, 4 TRS 1/4", 2 stereo 1/4", and 2 stereo RCA

  • inputs 1-4: mono, mic or line-level, phantom power

  • inputs 5/6 and 7/8: stereo pairs or mono channels

  • inputs 9/10 and 11/12: dedicated stereo pairs

• line outputs: stereo main, monitor, effects, and record (stereo RCA)

• speaker outputs: Speakon and 1/4"

• built-in separate 7-band graphic equalizers for mains and monitors

• 3-band EQ controls for each channel strip

• 16 built-in effects include reverb, echo, chorus, flanger, phaser, and distortion

Specifications:

• crosstalk: -65 dB @ 1 kHz

• phantom power: 15V

• 17-3/8"W x 11-1/4"H x 10-3/4"D

• weight: 22 pounds

Pickup is in Melbourne, Florida, USA or shipping is available.