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Warm Audio Passive Stereo DI Box

$269.00 to $325.00 Price Tier: Standard

2 Critic Reviews

All time low price

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Page last updated Jul 24, 2026

Pricing and availability

We compare 600+ stores and found this item at 7 stores. Prices updated July 6, 2026.

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Reviews

Price

$319.00 $269.00 $50.00 · All time low

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$319.00 $269.00 $50.00 · All time low

View Deal

$319.00 $269.00 $50.00 · All time low

View Deal

$319.00

View Deal

$319.00 $269.00 $50.00 · All time low

View Deal

$329.00 $325.00 $4.00 · All time low

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$319.00 $269.00 $50.00 · All time low

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Average Price: $284

Standard/Professional

$119

$300+

Price Tier

In the Direct Boxes category, Warm Audio Passive Stereo DI Box is priced in the upper end of the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

Budget

Standard

High-end

Price History

Based on price data from 7 merchants for "Warm Audio Passive Stereo DI Box". Prices shown reflect NEW condition. Tracking began Jun 25, 2026.

^* Product prices and availability are updated by Equipboard every 24hrs and are subject to change. Equipboard may receive compensation for purchases made at participating retailers linked on this site. This compensation does not affect what products or prices are displayed, or the order of prices listed. For more information, please refer to our affiliate disclosure.

Description

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When it comes to capturing the essence of your stereo instruments with precision and clarity, the Warm Audio Passive Stereo DI Box is your go-to solution. Perfectly engineered for keyboards, synthesizers, guitar processors, and stereo pedalboards, this DI box ensures that your instrument's natural tone remains untouched while delivering clean, balanced signals to mixers, audio interfaces, and PA systems. At the heart of this unit are the premium CineMag USA transformers, known for their ability to provide exceptional clarity, rich low-end response, and smooth high-frequency detail.

This passive stereo DI box operates without the need for external power, making it a reliable choice for both studio and stage setups. Its fully passive design, paired with a transformer-based circuit, offers pristine signal conversion and maintains the tonal integrity of your source. The dual-channel configuration supports stereo rigs, ensuring consistent performance across both channels. For added flexibility, a variable pad ranging from -3dB to -30dB allows you to adjust the signal level according to your setup, while the ground/lift switch helps eliminate ground-loop noise.

Crafted with durability in mind, the Warm Audio Passive Stereo DI Box features a rugged aluminum chassis, making it road-ready for live performances and tours. Whether you're dialing in your ideal signal volume or aiming for a noise-free connection to your FOH mixer, this DI box has got you covered.

Key Features:

Premium CineMag USA transformers for exceptional clarity and noise rejection
Fully passive design requires no external power
Dual-channel configuration for stereo instrument setups
Variable pad (-3dB to -30dB) for signal level adjustment
Ground/lift switch to eliminate ground-loop noise
Rugged aluminum chassis for durability
Ideal for keyboards, synthesizers, stereo pedalboards, and more

Videos

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Warm Audio

Warm Audio Active & Passive Stereo DI Boxes | Demo & Product Deep Dive

Warm Audio

Warm Audio // Direct Boxes - Active & Passive "Getting Started"

Warm Audio

Warm Audio Direct Boxes Overview and Demo

Sweetwater

Warm Audio's DI Boxes: What makes them special? #NAMM2020

MusicTech

Reviews

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Critic Reviews

Warm Audio WA-DI-A & WA-DI-P

soundonsound.com

Warm Audio's Passive Stereo DI Box delivers impressive sonic performance with a touch of 'transformer warmth,' making it a worthy studio companion. Its robust design and choice between active and passive modes provide versatility, while the price point remains attractive. However, the outer cover's insufficient overhang leaves controls vulnerable, suggesting it's more suited for studio than road use. Despite this, the convenience and quality of sound make it a great addition for those seeking rich, warm tones in a DI. The review leans towards recommending the WA‑DI‑A for its active/passive switching flexibility.

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REVIEW: Warm Audio DI Boxes | Performer Mag

performermag.com

Warm Audio's Passive Stereo DI Box hits all the right notes with its robust build and sonic transparency. Ideal for studio owners and live performers alike, its flexibility—offering both active and passive modes—proves invaluable. The adjustable pad ensures pristine, noise-free signals, making it a must-have for direct recording. Despite minor concerns over toggle switch design, these are overshadowed by the box's impressive performance and affordability. A solid choice for those seeking professional-level DI solutions without breaking the bank.

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