M-Audio BX3 Multimedia Reference Monitors User Manual

m-audio BX3 Multimedia Reference Monitors Manual

Introduction

The m-audio BX3 Multimedia Reference Monitors are compact, two-way desktop speakers designed for music production, gaming, video editing, podcasting, media playback, and everyday computer audio. Their small footprint makes them suitable for bedrooms, home studios, offices, dorm rooms, and other spaces where full-size studio monitors may be impractical.

Each speaker combines a 3.5-inch low-frequency driver with a 1-inch silk-dome high-frequency driver. Together, they provide a frequency response of 80 Hz to 22 kHz for clear vocals, detailed instruments, and balanced general-purpose listening. The system delivers 2 x 25 watts RMS and up to 120 watts total peak output, providing useful headroom for nearfield listening.

Unlike basic computer speakers, the BX3 includes professional-style 1/4-inch TRS inputs alongside RCA and 1/8-inch auxiliary connectivity. This allows connection to an audio interface, mixer, computer, tablet, phone, or other line-level source. A front-panel headphone output makes private listening convenient without reaching behind the speakers.

The m-audio BX3 Multimedia Reference Monitors suit beginners learning music production, content creators editing spoken-word recordings, musicians monitoring instruments, and listeners who want a compact stereo upgrade. They are intended for nearfield use rather than large-room sound reinforcement. For the most reliable results, place them symmetrically on a stable desk with the tweeters near ear level.

Specifications and Key Features

• System type: Two-way multimedia reference monitor pair.
• Frequency response: 80 Hz–22 kHz.
• Output power: 2 x 25 watts RMS; 120 watts total peak.
• Low-frequency driver: 3.5-inch, or 88.9 mm.
• High-frequency driver: 1-inch, or 25.4 mm, silk dome.
• Inputs: One stereo RCA input pair, two 1/4-inch TRS inputs, and one 1/8-inch stereo auxiliary input.
• Headphone connection: Front-panel 1/8-inch stereo headphone output.
• Speaker connection: Supplied 1/8-inch speaker interconnect cable.
• Power requirement: 100–240 VAC, 50/60 Hz, 85 watts.
• Dimensions: Approximately 5.5 x 5.7 x 8.2 inches per speaker, or 140 x 145 x 208 mm.
• Included accessories: Stereo speakers, foam feet, power cable, speaker interconnect cable, auxiliary cable, RCA adapter cable, user guide, and safety and warranty documentation.

The BX3 is optimized for short-distance listening. Its compact drivers provide focused nearfield sound, while the multiple analog inputs support common studio and consumer audio equipment.

How to Set Up the M-Audio BX3 Monitors

1. Place the left and right speakers on a stable, level surface. Keep them approximately the same distance from the listening position and angle them slightly toward your ears.
2. Install the supplied foam feet beneath the speakers to improve stability and reduce desk vibration.
3. Position the powered speaker on the side that provides convenient access to the controls. Place the second speaker on the opposite side.
4. Connect the supplied speaker interconnect cable between the speaker outputs on the powered unit and the matching connector on the other speaker. Do not substitute a speaker cable with an incompatible connector.
5. Connect an audio source using the appropriate input. Use 1/4-inch TRS connections for an audio interface or mixer, RCA for compatible consumer equipment, or the 1/8-inch auxiliary input for a computer or mobile device.
6. Turn the source volume down, connect the power cable, and switch on the monitors. Gradually raise the source and speaker volume.
7. For private listening, connect headphones to the front-panel headphone output and lower the monitor level before playback.

Keep the rear ventilation area unobstructed. Never connect or disconnect audio cables at excessive volume, and unplug the system before cleaning or during an electrical storm.

Troubleshooting the BX3 Multimedia Reference Monitors

No sound from either speaker

• Confirm that the power cable is connected and the power switch is on.
• Check the source output, mute setting, media playback, and operating-system volume.
• Verify that the selected cable is connected to the intended input and that the source is producing a line-level signal.

Sound from only one speaker

• Power the system off and reseat the speaker interconnect cable at both ends.
• Check the source balance control and test another input or cable.
• Confirm that the left and right channels are connected correctly.

Hum, buzz, or unwanted noise

• Separate audio cables from power adapters and mains cables.
• Use the same power outlet for connected audio equipment where practical.
• Disconnect external devices one at a time to identify the source of interference.

Distortion or weak bass

• Reduce excessive source volume, software equalization, or bass boost.
• Move the monitors away from walls and corners if low frequencies sound exaggerated.
• Keep both speakers facing the listening position and avoid blocking the drivers.

The standard BX3 documentation does not identify user-serviceable error codes. If a fault remains after cable and source checks, stop using the unit and contact M-Audio support or the original retailer. Have the serial number and proof of purchase available for warranty assistance. M-Audio warranty service commonly requires these details, and warranty duration may vary by region and purchase conditions.

Pros and Cons

Advantages

• Compact design: Fits comfortably on smaller desks where larger studio monitors would be difficult to place.
• Flexible connectivity: Includes TRS, RCA, and auxiliary inputs for studio and consumer equipment.
• Useful nearfield output: The 2 x 25-watt RMS amplifier rating provides practical volume for desktop listening and content work.
• Detailed high frequencies: The 1-inch silk-dome tweeter helps reveal vocal, percussion, and instrument detail.
• Convenient headphone output: Enables quick private monitoring without disconnecting the source.
• Simple installation: The pair includes the primary interconnect and common source cables.

Limitations

• Limited deep bass: The 80 Hz lower frequency specification is suitable for general nearfield use but may not satisfy users needing sub-bass monitoring.
• No built-in wireless requirement: The standard BX3 model uses wired analog connections; users specifically seeking Bluetooth should consider a Bluetooth-equipped variant instead.
• Small-room focus: These monitors are better suited to desktop listening than filling a large room at high levels.
• Basic analog control: They do not replace an audio interface, monitor controller, or room-correction system.

The m-audio BX3 Multimedia Reference Monitors are best for desktop producers, students, streamers, gamers, and content creators who need versatile compact speakers. Users mixing bass-heavy music professionally or monitoring a larger space may need larger monitors or a dedicated subwoofer.