Pricing and availability

We compare 600+ stores and found this item at 3 stores. Prices updated .

Sweetwater
$1,995.00 $1,696.00 $299.00 · All time low
Amazon
$1,696.00
Vintage King
$1,995.00 $1,696.00 $299.00 · All time low

Average Price: $1,696

High-end/Boutique

$119

$300+

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Standard

High-end

Price History

Based on price data from 2 merchants for "Grace Design m308 Active 8-channel Isolated Direct Box". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

The Grace Design m308 Active 8-channel Isolated Direct Box is an essential tool for both live performances and studio sessions, offering industry-leading DI performance in a compact, rackmountable 1U chassis. Whether you're on stage or in the studio, the m308's advanced circuitry delivers pristine audio quality with minimal noise, thanks to its galvanically isolated design. This direct box is powered via standard 48V phantom power, ensuring seamless integration into any professional setup.

What sets the m308 apart is its custom-wound Lundahl transformers, which capture every nuance of your sound with stunning low-end clarity and exceptional high-frequency detail. Each channel is equipped with a 13dB pad switch to handle hot signals, and an Iso/Gnd switch for additional flexibility. The peak indicator LED, which activates at -3dB before clipping, provides a visual cue to help you maintain optimal levels.

Designed for durability, the m308 features a robust extruded aluminum chassis, perfect for enduring the rigors of the road while maintaining its sleek aesthetic. With its superior high-bandwidth design, ultra-low distortion, and high dynamic range, the Grace Design m308 is a powerhouse that caters to musicians and audio engineers seeking uncompromising sound quality.

Key Features:

  • Active 8-channel rackmount DI box
  • Full galvanic isolation, powered via standard 48V phantom power
  • Custom-wound Lundahl transformers for optimal clarity and detail
  • High-bandwidth design with ultra-low distortion and noise
  • Exemplary low-frequency headroom
  • 1-Mohm input impedance for any pickup or line-level source
  • Peak indicator LED at -3dB before clipping; power indicator LED
  • Per-channel 13dB Pad switches; Iso/Gnd switch
  • Rugged, 19-in. rackmountable chassis

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