QSC

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Looking for reliable power for your sound system? This used QSC RMX850 power amplifier delivers solid performance in a compact, durable chassis. In good condition and fully functional, the RMX850 offers 185 watts per channel at 8 ohms stereo, 260 watts per channel at 4 ohms stereo, and up to 830 watts at 4 ohms bridged mono—ideal for DJs, musicians, or venues needing dependable amplification. Its high-current toroidal transformer ensures stable, clean power, while front-panel LED indicators make monitoring easy. Rugged XLR, 1/4" TRS, and barrier strip inputs paired with binding post and Speakon outputs provide versatile connectivity. Whether you're upgrading your rig or expanding your audio setup, this amp brings QSC's legendary performance at a great value.

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