Pricing and availability

We compare 600+ stores and found this item at 10 stores. Prices updated .

Sweetwater
5.0 (22)
$199.00 $198.99 $0.01 · All time low
Guitar Center
4.5 (2)
$199.00
Amazon
4.5 (33)
$146.99 Used
Reverb
5.0 (4)
$174.14 New
$110.00 Used
Musician's Friend
$198.99 $159.95 $39.04
zZounds
4.5 (1)
$199.00
B&H
5.0 (1)
$198.99
Thomann
5.0 (17)
$170.00
Gear4Music
£142.00

Average Price: $176

Standard/Professional

$119

$300+

Price Tier

Budget

Standard

High-end

Price History

Based on price data from 7 merchants for "Warm Audio WA-DI-A Active Direct Box". Prices shown reflect NEW condition. Tracking began Apr 2, 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

For musicians who value the integrity of their instrument's tone, the Warm Audio WA-DI-A Active Direct Box is a game-changer. Whether you're a guitarist, a bassist, a keyboardist, or any other instrumentalist, this direct box ensures your sound remains unblemished, even after long cable runs.

Boasting a custom-wound CineMag USA transformer, this rugged piece of gear guarantees a warm, rich tone that upholds sonic quality as its top priority. The device is housed in an extruded aluminum enclosure, which is engineered for longevity and equipped to handle the demands of the road or studio environment.

This Warm Audio Direct Box's key selling point is its ability to convert an instrument-level signal to mic-level without compromising on the sound quality. With this in your arsenal, you can plug your instrument directly into any mic pre, mixer, or recording device with confidence.

Key Features:

  • Custom-wound CineMag USA transformer ensures maximum sonic integrity
  • Capable of adjusting pad from -3 dB to -30 dB for precise control over your sound
  • 600 ohms XLR output for reliable, high-quality signal transmission
  • Input impedance of 1 mega ohm to accommodate a wide range of instruments
  • Features phase reverse and ground lift for additional sound shaping options
  • Operates on +48 V phantom power for enhanced performance
  • Passive operation is also possible, offering flexibility in varying scenarios
  • Robust aluminum housing construction able to withstand heavy use

Product specs

Type Active (switchable to passive)
Channels 1
Pads Variable, -3dB to -30dB
Polarity Switch Yes
Ground Lift Yes
Inputs 1 x 1/4" (instrument/amp)
Outputs 1 x XLR, 1 x 1/4" (thru)
Power Source 48V Phantom Power, 2 x 9V battery

FAQs

What is the primary function of the Warm Audio WA-DI-A Active Direct Box?

The Warm Audio WA-DI-A is designed to convert high-impedance instrument signals to low-impedance, balanced outputs, ideal for connecting guitars or basses directly to mixing consoles or audio interfaces.

Can the Warm Audio WA-DI-A Active Direct Box operate in passive mode?

Yes, the WA-DI-A can switch between active and passive modes, allowing flexibility in different signal scenarios.

How is the Warm Audio WA-DI-A powered?

The WA-DI-A can be powered via 48V phantom power from a mixing console or with two 9V batteries for situations where phantom power is unavailable.

Does the Warm Audio WA-DI-A offer any attenuation options?

Yes, the WA-DI-A features a variable pad that can attenuate signals from -3dB to -30dB, providing control over input levels.

What connectivity options does the Warm Audio WA-DI-A provide?

The WA-DI-A includes a 1/4" input for instruments or amps, an XLR output for balanced connections, and a 1/4" thru output to pass the signal to an amplifier.

Is there a polarity switch on the Warm Audio WA-DI-A?

Yes, the WA-DI-A includes a polarity switch, which helps correct phase issues when interfacing with other audio equipment.

Warm Audio

Warm Audio

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

Video thumbnail for Warm Audio // Direct Boxes - Active & Passive "Getting Started" by Warm Audio

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

Warm Audio

Warm Audio

Video thumbnail for Warm Audio Direct Boxes Overview and Demo by Sweetwater

Warm Audio Direct Boxes Overview and Demo

Sweetwater

Sweetwater

Video thumbnail for Product Deep Dive - Warm Audio Direct Box Active by Warm Audio

Product Deep Dive - Warm Audio Direct Box Active

Warm Audio

Warm Audio

Video thumbnail for Warm Audio Active Direct Box Review - What is a Direct Box? (Answered) by Squad Car 37

Warm Audio Active Direct Box Review - What is a Direct Box? (Answered)

Squad Car 37

Squad Car 37

Video thumbnail for REVIEW: Warm Audio Direct Box Active by Matt Ingram

REVIEW: Warm Audio Direct Box Active

Matt Ingram

Matt Ingram

Video thumbnail for Warm Audio Direct Box Active Review - Bass DI by HomeTracks

Warm Audio Direct Box Active Review - Bass DI

HomeTracks

HomeTracks

Video thumbnail for Warm Audio Direct Box Active Review - Strat DI Test by HomeTracks

Warm Audio Direct Box Active Review - Strat DI Test

HomeTracks

HomeTracks

Video thumbnail for Warm Audio Direct Box Active Review - Humbucker DI Test by HomeTracks

Warm Audio Direct Box Active Review - Humbucker DI Test

HomeTracks

HomeTracks

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Warm Audio WA-DI-A Active Direct Box.

Features and functionality

  • The Warm Audio WA-DI-A offers an active/passive switch, providing versatility for various pickup types, and includes a variable pad for gain reduction up to -50db.

    Source
  • The WA-DI-A can handle amplified signals up to 325Vpp, equating to 1625W at 8 Ohms, allowing it to safely process signals from powerful amplifiers.

    Source
  • The WA-DI-A lacks a load box, meaning a cabinet must always be connected to the "THRU" jack to avoid damaging the amplifier.

    Source
  • The Warm Audio WA-DI-A features a switch for active/passive modes rather than automatically switching with phantom power, contrary to some marketing claims.

    Source
  • The on-board variable pad is seen as potentially problematic for users who need consistent settings across multiple DI channels.

    Source

Use cases and applications

  • The DI box enhances tone clarity and reduces muddiness, especially beneficial for amp sims, offering a solution for high gain and palm mute styles.

    Source
  • It can be connected between an amp head and cabinet using speaker cables, providing a line-level signal for recording while still delivering sound to the cabinet.

    Source

Comparisons

  • Users reported the Warm Audio Active DI box as superior to passive DIs for maintaining high and low frequencies, with a preference over the J48 for its tone.

    Source
  • Users compare the WA-DI-A's ability to handle amp signals to the Radial JDX, but note the JDX's 300W limit, questioning if the WA-DI-A is similarly limited.

    Source
  • For flexibility, some users suggest owning separate passive and active DI boxes, like a simple passive DI alongside an active model, instead of relying on a switchable unit.

    Source

User experience

  • Owners noted significant tone improvement in amp sims when using the Warm Audio DI, describing the result as tighter with less low-end mud.

    Source
  • Users conducting virtual sound checks express concern about remembering variable pad settings across multiple channels.

    Source

Software and compatibility

  • It’s observed that the DI box improves signals for high output pickups, which run too hot on interfaces like the MK1 ID14 without additional attenuation.

    Source
  • Users find the WA-DI-A suitable for recording guitar amp output to apply impulse responses (IRs) in post-production, streamlining recording processes during rehearsals.

    Source

Other

  • The Warm Audio DI box is favored for its ability to work with both passive and active pickups, offering broader compatibility across different guitar setups.

    Source

Build quality

  • Some skepticism exists around marketing claims of "gold plated traces," as photos reveal standard tin connections on the circuit board.

    Source

Critic Reviews

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

soundonsound.com

Warm Audio's WA-DI-A Active Direct Box strikes a compelling balance between functionality and sound quality, impressing with its ability to operate in both active and passive modes. The sonic performance is enriched by a characteristic transformer warmth, particularly excelling with bass instruments. However, the design isn't without flaws; its protective cover could benefit from a deeper overhang to safeguard controls during transport. Additionally, accessing the battery compartment is unnecessarily cumbersome. Overall, the WA-DI-A is an excellent choice for studio use but may not withstand the rigors of frequent gigging.

positive

REVIEW: Warm Audio DI Boxes | Performer Mag

performermag.com

Warm Audio’s WA-DI-A Active Direct Box stands out for its versatile functionality and solid build quality. Musicians will appreciate the ability to switch between active and passive modes, offering flexibility for various instruments. The adjustable pad is a noteworthy feature that helps achieve optimal output levels without adding noise. However, the slightly protruding mini toggles could pose a risk for damage, though this is a minor concern. Overall, for its price point, the WA-DI-A provides professional-level performance with a clean, transparent signal that's perfect for studio or live settings, making it a smart investment for any serious musician.

positive

Warm Audio Active and Passive Direct Boxes Review

allthingsgear.com

Warm Audio's WA-DI-A Active Direct Box delivers exceptional performance with its transparent sound and solid build quality. Priced affordably at $199, it impresses with a long-lasting battery and user-friendly features like a phase flip and ground lifter. However, accessing the battery compartment could be a hassle, as it requires unscrewing the unit. Still, for musicians seeking reliability and clarity, this active DI box is a worthy investment that elevates your audio game.

positive

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Genre Usage

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Used With

Based on how musicians on Equipboard use Warm Audio WA-DI-A Active Direct Box, it is most commonly used with the following gear.

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homestudioguy

Gear IQ 177

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