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Pure Resonance Audio MX9 9-Channel Rack Mount Mixer with Bluetooth and Effects
The Pure Resonance Audio MX9 is a high-flexibility 9 channel rack-mount mixer designed to meet the demands of professional and commercial audio installations. It features a compact 3U chassis, Bluetooth connectivity for media streaming, and a built-in 24-bit DSP effects processor for enhancing live and fixed audio systems.
The MX9 offers multiple balanced and unbalanced inputs, tape in/out, dual stereo outputs and aux sends, making it ideal for use in schools, auditoriums, clubs, houses of worship, and mobile rigs. Each channel includes dedicated controls such as gain, 3-band EQ, pan, pre-fader monitor, and a fader for precise mixing of microphones, line sources, and USB/Bluetooth media.
Engineered for reliability and convenience, the MX9’s built-in Bluetooth media player supports MP3/USB playback and PC recording. The unit’s robust switching power supply, low-noise floor and professional output options allow seamless integration into rack systems and live audio setups with minimal footprint.
Key Features
- Nine inputs: seven balanced mic/line channels with phantom power plus two unbalanced mono/stereo channels.
- Bluetooth & media player: Bluetooth streaming, USB playback, front panel display for easy use.
- Built-in effects: 24-bit DSP processor with presets like reverb, delay, chorus, flanger and more.
- Professional outputs: Dual stereo main outputs, aux sends, headphone out and tape record out.
- Rack ready design: 3U high, compact and all controls front accessible for rack-mount installations.
Technical Specifications
- Mic (XLR) Inputs: 7 XLR jacks (channels 1-7)
- Line Level Inputs: 7 ¼″ TRS jacks + channels 8-9 mono/stereo
- Inserts: 7 ¼″ TRS jacks (channels 1-7)
- Pre-Fader Listen (PFL): Individual switch per channel
- Outputs: Set of XLR L & R, Set of ¼″ TRS L & R, Aux Out, FX Out, Headphone monitor output
- Effects: 24-bit DSP Effects Processor
- Phantom Power Supply: +48V (Channels 1-7)
- Frequency Response: 20 Hz - 20 kHz (±3 dB)
- Distortion: < 0.003% (A-weighted)
- Mic Balanced Input Noise: -119 dB (A-weighted)
- Signal-to-Noise Ratio: 60 dB
- Single Channel Input Gain: MIC: 0-48 dB; LINE: -33 to +15 dB
- Maximum Output Level: +20 dBu
- Mic Input High Pass Filter: 75 Hz, 18 dB/octave
- EQ (Single Channel): High: ±15 dB @12 kHz; Mid: ±12 dB @2.5 kHz; Low: ±15 dB @80 Hz
- Power: Built-in switching adapter 110-220 V, 30 W
- Power Consumption: ≤ 23 W
- Dimensions (H x W x D): 5.51″ x 19.00″ x 9.45″
- Weight: 8.82 lbs (4.0 kg)




