Sound Barrier MX8.3BT

Overview

The Sound Barrier MX8.3BT is a powered mixer that combines multi-channel mixing, onboard amplification, Bluetooth streaming, DSP effects, and USB/SD playback and recording into a single rackable unit. This product is designed to serve as a self-contained mixing and power solution for live sound reinforcement, portable PA systems, houses of worship, rehearsal spaces, and similar installations where a compact all-in-one mixer-amp is required.

Manufacturer product page: https://soundbarrier.com/mx8-3bt

Key Features

• 8 mono channel inputs with balanced XLR and 1/4-inch HI-Z connectability
• Internal amplification delivering 2 × 700 W @ 4 Ω
• Bluetooth audio streaming via SBT Wireless Technology
• USB and SD playback and recording
• 16 selectable DSP effects
• Dual 7-band stereo graphic EQ for main outputs
• Variable EQ and level control per input channel
• Multiple line and FX outputs including NL4 and 1/4-inch
• Built-in +48 V phantom power on mic inputs

These features provide users with integrated mixing, processing, and amplification in a single unit without requiring separate external amplifiers or effects processors, simplifying setup and reducing system complexity.

Technical Specifications

• Channels: 8 mono channels
• Power output: 1400 W peak (2 × 700 W) @ 4 Ω
• Power supply: Internal switch mode
• Cooling: Fan vent cooling
• Voltage requirements: AC 120-220 V / 50-60 Hz switchable
• Frequency response: 20 Hz-20 kHz ± 1 dB
• THD: < 0.1 % (1 kHz full power)
• Inputs: 8 × balanced XLR, 8 × 1/4-inch HI-Z, 1 × dual RCA stereo
• USB/SD: USB and SD for media playback and recording
• Bluetooth: SBT wireless
• Phantom power: +48 V built-in
• Main outputs: 2 × NL4, 2 × 1/4-inch
• FX outputs: 1 × 1/4-inch, 1 × dual RCA
• Headphones: 1 × 1/4-inch
• EQ: Dual 7-band parametric main EQ
• Effects: 16 DSP effects with rotary selector
• Construction: Metal cabinet, black finish
• Handles: Two side recessed
• Dimensions: 18.75 in (476 mm) W × 17 in (432 mm) D × 5.75 in (146 mm) H
• Weight: 23 lb (10.4 kg)
• Not specified by manufacturer: Specific DSP algorithm names/types, detailed Bluetooth codec support, warranty terms, included accessories beyond power cord

All specifications are based on manufacturer information.

Applications and Use Cases

• Small-to-medium venue live sound systems that need integrated mixer and amplifier functionality
• Rehearsal spaces where a single unit can provide mixing, effects, and monitoring without external racks
• Portable PA systems for lectures, corporate events, and community gatherings
• Bluetooth audio streaming from mobile devices into a live sound setup
• Recording stereo mixes directly to USB or SD media without additional interfaces

Manufacturer Resources

• Product page: https://soundbarrier.com/mx8-3bt