Bose Mixer Manual

The Bose Mixer is a professional-grade audio mixing console designed for live sound and studio applications. It features multiple input channels with EQ controls, built-in effects processing, flexible routing options, phantom power, USB connectivity for digital audio, and intuitive metering. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Main mixing console, Power supply, USB cable, Rack mount ears (optional).

Feature	Description
Input Channels	16 XLR/TRS combo inputs with individual gain, EQ, and routing
EQ Controls	3-band EQ with sweepable mids on each channel
Effects Processor	Built-in digital effects with 24 presets (reverb, delay, chorus)
Phantom Power	+48V switchable per channel for condenser microphones
USB Connectivity	USB 2.0 for multi-track recording and playback
Main Outputs	XLR and TRS balanced outputs
Aux Sends	4 auxiliary sends for monitors or external effects
Headphone Output	¼” stereo headphone jack with level control
Metering	LED level meters for input and output monitoring
Power Switch	Front-panel power on/off with status indicator

Installation

Unpack and inspect contents. Place on stable surface or install in rack.

1. Connect power: Attach included power supply to DC input on rear panel.
2. Connect microphones/instruments: Use XLR or ¼” cables to input channels.
3. Connect main outputs: Use XLR cables to connect MAIN OUT to powered speakers or amplifier.
4. Connect monitors: Use AUX SEND outputs to stage monitors.
5. Connect USB: Use USB cable to computer for digital audio.

WARNING! Ensure proper ventilation; do not block cooling vents. Use correct power voltage (100-240V AC).

First-Time Setup

Power on mixer; check LED indicators.

1. Set input gains: Adjust GAIN knob for each channel until peak LED flashes occasionally.
2. Set EQ: Start with flat EQ (12 o’clock position) and adjust as needed.
3. Set main mix: Use faders to balance channel levels; set MAIN MIX fader to 0 dB.
4. Configure effects: Press EFFECTS button to select and adjust effect type and level.
5. Set phantom power: Engage +48V switch only for condenser microphones.

CAUTION! Turn phantom power off before connecting/disconnecting microphones to avoid pops.

Specifications

• Input Channels: 16 XLR/TRS combo inputs.
• Frequency Response: 20 Hz - 20 kHz, ±0.5 dB.
• Total Harmonic Distortion: <0.005% at 1 kHz.
• EQ: 3-band (High, Mid, Low) with sweepable mid (250 Hz - 5 kHz).
• Effects: 24 digital effects presets.
• Phantom Power: +48V DC, switchable per channel.
• USB: 2.0, 24-bit/48 kHz audio interface.
• Power Supply: 100-240V AC, 50/60 Hz.
• Dimensions: 19” rack mountable (3U height).
• Weight: 12 lbs (5.4 kg).

Controls and Settings

Access functions via front panel knobs and buttons. Channel Strip: GAIN, EQ (HIGH, MID, LOW), AUX sends, PAN, FADER.

Master Section: MAIN MIX fader, EFFECTS level, PHANTOM POWER switches, USB level, HEADPHONE level.

Input: Adjust gain for optimal signal level. EQ: Use HIGH for brightness, MID for presence, LOW for warmth. Effects: Select reverb, delay, or chorus; adjust send level per channel. Routing: Assign channels to main mix, subgroups, or aux sends. USB: Set input/output levels for recording/playback.

Connecting Devices

Microphones: XLR to input channel. Instruments: ¼” TS cable to input channel. Playback devices: RCA or ¼” to stereo line inputs. Speakers: XLR from MAIN OUT to powered speakers.

1. Turn off mixer and devices before connecting.
2. Match cable types (balanced/unbalanced) appropriately.
3. Use ground lift switch if hum is present.
4. Select input source per channel (MIC/LINE).

Tip: Use balanced cables for long runs to reduce noise interference.

Using Effects & Processing

Built-in digital effects for enhancing audio.

1. Select effect: Press EFFECTS button and turn knob to choose preset.
2. Adjust effect level: Use EFFECTS SEND on each channel to control amount.
3. Global effect level: Adjust MASTER EFFECTS knob in master section.
4. EQ adjustments: Use channel EQ to shape tone before effects.
5. Compression (if available): Engage COMP button on channel for dynamic control.

WARNING! Avoid excessive effect levels that may cause feedback or distortion.

Advanced Routing

Flexible signal routing for complex setups.

Subgroups: Assign channels to subgroups for grouped control. Aux Sends: Use for monitor mixes or external effects processors. Direct Outputs: Per-channel direct outs for multitrack recording. USB Routing: Assign USB playback to specific channels or main mix.

Care & Maintenance

Unplug before cleaning. Use soft, dry cloth for exterior; compressed air for faders and knobs.

CAUTION! Do not use liquid cleaners; avoid moisture ingress. Store in dry, dust-free environment.

Regulatory Information

FCC Part 15: Class A digital device; complies with limits for commercial use. CE, RoHS compliant. Copyright © 2025 Bose Corporation; all trademarks property of Bose Corporation. For support, visit www.bose.com/support or contact 1-800-999-2673.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound from channel	Gain too low/mute	Increase GAIN; check channel mute button; verify signal source.
Hum or buzz	Ground loop/cable	Use balanced cables; engage ground lift; check power connections.
Effects not working	Routing/level	Ensure EFFECTS SEND is up; check master effects level; select active effect.
USB not recognized	Driver/connection	Install latest driver; try different USB port; restart computer.
Phantom power not working	Switch/cable	Ensure +48V switch is on; test with known working microphone and cable.

Reset: Power cycle mixer; restore factory settings via hidden menu if needed.

Service: 1-800-999-2673; www.bose.com/support