Pricing and availability

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

Sweetwater
4.5 (17)
$1,329.05 $1,199.00 $130.05 · All time low
Guitar Center
$1,499.00
Amazon
3.3 (3)
$1,199.00
Reverb
$1,199.00 New
$900.00 Used
Musician's Friend
$1,499.00
zZounds
3.0 (1)
$1,399.00
B&H
3.0 (1)
$1,399.00 $1,199.00 $200.00 · All time low
Thomann
5.0 (7)
$1,329.00 $1,318.00 $11.00 · All time low
Gear4Music
£1,177.00
Vintage King
$1,399.00 $1,199.00 $200.00 · All time low

Average Price: $1,261

Standard/Professional

$599

$2000+

Price Tier

Budget

Standard

High-end

Price History

Based on price data from 7 merchants for "Warm Audio WA-2MPX 2-Channel Microphone Preamp". 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

Step back in time with the Warm Audio WA-2MPX 2-Channel Microphone Preamp, a modern marvel that channels the rich, vibrant tones of the iconic tape-era tube preamps. Revered by legends like Elvis Presley and Les Paul, these preamps were the backbone of countless hits. Now, you can bring that same vintage warmth and color to your recordings with this authentic reproduction. The WA-2MPX is meticulously handwired and features custom-wound CineMag USA transformers, ensuring every note resonates with analog authenticity.

This preamp isn't just about nostalgia; it's designed with today's musicians in mind. The WA-2MPX is packed with modern enhancements, offering a high-gain boost that takes your gain from 70dB to an impressive 90dB. Perfect for low-output mics, this is where the WA-2MPX truly shines. With its selectable tape saturation, you can introduce harmonic distortion and compression reminiscent of classic reel-to-reel recordings. The brushed aluminum facade, complete with Bakelite-style knobs and warmly lit VU meters, adds a touch of vintage elegance to any studio setup.

Key Features:

  • Authentic reproduction of the 351-style tape machine tube preamp
  • Handwired construction with 3 premium vacuum tubes per channel
  • Custom-wound, large-core CineMag USA transformers
  • 90dB of clean analog tube gain, with a high gain switch for an additional 20dB
  • Selectable tape saturation for harmonic distortion and natural compression
  • Tone switch to modify mic input transformer impedance
  • Highpass (80Hz) and lowpass (2kHz) filters for tonal refinement
  • Inputs: XLR Mic, TRS Line, TS Instrument; Outputs: XLR and TRS
  • 48V phantom power and polarity switch
  • VU meter level indication
  • Frequency response: 20Hz–20kHz

Product specs

Preamp Type Tube
Number of Channels 2
Phantom Power Yes
Polarity Switch Yes
EQ 80Hz highpass filter, 2kHz lowpass filter
Tubes 4 x 12AX7, 2 x 12AU7
Analog Inputs 2 x XLR, 2 x 1/4" TRS, 2 x 1/4" Hi-Z (front)
Analog Outputs 2 x XLR, 2 x 1/4"
Frequency Response 20Hz-20kHz
Rack Spaces 2U
Power Source Standard IEC AC cable
Height 3.5"
Width 19"

FAQs

What type of tubes does the Warm Audio WA-2MPX use?

The Warm Audio WA-2MPX uses four 12AX7 tubes and two 12AU7 tubes, which contribute to its warm and authentic tube sound.

Does the Warm Audio WA-2MPX provide phantom power for condenser microphones?

Yes, the Warm Audio WA-2MPX includes phantom power, making it suitable for use with condenser microphones.

What are the input and output options available on the Warm Audio WA-2MPX?

The WA-2MPX features two XLR and two 1/4" TRS inputs, two 1/4" Hi-Z inputs on the front, and two XLR and two 1/4" outputs, offering versatile connectivity for various recording setups.

Does the Warm Audio WA-2MPX have any built-in EQ features?

Yes, the WA-2MPX includes an 80Hz highpass filter and a 2kHz lowpass filter, allowing for some tonal shaping directly from the preamp.

What is the frequency response range of the Warm Audio WA-2MPX?

The frequency response of the Warm Audio WA-2MPX is 20Hz to 20kHz, covering the full range of audible frequencies for accurate sound reproduction.

How does the Warm Audio WA-2MPX achieve tape saturation effects?

The WA-2MPX features selectable, all-analog tape saturation, allowing users to add vintage warmth and character reminiscent of tape-era recordings.

MixbusTv

MixbusTv

Warm Audio WA-2MPX Dual TUBE Preamp Saturator - Official Review

Video thumbnail for Warm Audio WA-2MPX Dual TUBE Preamp Saturator - Official Review by MixbusTv

Warm Audio WA-2MPX Dual TUBE Preamp Saturator - Official Review

MixbusTv

MixbusTv

Video thumbnail for First Listen: Warm Audio WA-MPX & WA-2MPX Microphone Preamps by Vintage King

First Listen: Warm Audio WA-MPX & WA-2MPX Microphone Preamps

Vintage King

Vintage King

Video thumbnail for Warm Audio WA-MPX & WA-2MPX Tube Mic Preamp Review | Sonic Kitchen | Andrea Cichecki | Thomann by Thomann Bedroom Producers

Warm Audio WA-MPX & WA-2MPX Tube Mic Preamp Review | Sonic Kitchen | Andrea Cichecki | Thomann

Thomann Bedroom Producers

Thomann Bedroom Producers

Video thumbnail for Warm Audio WA-2MPX | Full Demo and Review by Happy Mag

Warm Audio WA-2MPX | Full Demo and Review

Happy Mag

Happy Mag

Video thumbnail for These 2 Switches Made my Day - Warm Audio WA-2MPX Tube Preamps by Chris Selim - Mixdown Online

These 2 Switches Made my Day - Warm Audio WA-2MPX Tube Preamps

Chris Selim - Mixdown Online

Chris Selim - Mixdown Online

Video thumbnail for Recording Drums with Warm Audio Mics & WA-2MPX Preamps by Ed Thorne | Mixing & Mastering

Recording Drums with Warm Audio Mics & WA-2MPX Preamps

Ed Thorne | Mixing & Mastering

Ed Thorne | Mixing & Mastering

Video thumbnail for Experience the Golden Age of Recording with the Warm Audio WA-2MPX Preamp by B's Music Shop

Experience the Golden Age of Recording with the Warm Audio WA-2MPX Preamp

B's Music Shop

B's Music Shop

Video thumbnail for WARM AUDIO WA-2MPX CALIBRATION by CREATE EDUCATE INSPIRE

WARM AUDIO WA-2MPX CALIBRATION

CREATE EDUCATE INSPIRE

CREATE EDUCATE INSPIRE

Reviews

PROS

  • Exceptional sound shaping capabilities with unique tonal options

  • Warm and musical natural tone, even with all switches off

  • Built-like-a-tank construction, offering durability and a solid feel

  • Versatile for various genres, excelling in hip hop, R&B, pop, and rock

  • High headroom allows for dynamic sound manipulation

  • Effective tape saturation for an authentic analog feel

  • Highly regarded for enhancing mixes with depth and presence

  • Great for mastering chain as a colorizer

  • Highly praised for use with drum, bass, and synth tracks

CONS

  • Cannot connect both mic and line inputs simultaneously

  • Jump in volume when engaging the tape circuit requires careful gain staging

  • Preamps can be noisy when not properly configured

  • Some users find tape saturation underwhelming compared to vintage gear

Critic Reviews

Warm Audio WA-MPX & WA-2MPX

soundonsound.com

The Warm Audio WA-2MPX preamp channels the golden era of Ampex with a modern twist, delivering vintage tube warmth and character. Its intuitive design allows for easy manipulation of audio color, while unique features like the Tape Sat switch add a nostalgic touch. Despite the lack of detented controls, the build quality is top-notch, offering exceptional value compared to rare vintage originals. If you're after a preamp with an old-school vibe that enhances your sound with warmth and weight, the WA-2MPX is a stellar choice.

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Artist usage

Add artist
See how John Osborne uses Warm Audio WA-2MPX 2-Channel Microphone Preamp

John Osborne

Guitarist

Brothers Osborne

...
Verified via YouTube

In the video "EPIC HOME STUDIO Setup 2024 | John Osborne (studio tour)" by Andrew Masters, the Warm Audio WA-2MPX 2-Channel Microphone Preamp is visible in John Osborne's studio at the 6:48 mark.

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Used With

Based on how musicians on Equipboard use Warm Audio WA-2MPX 2-Channel Microphone Preamp, it is most commonly used with the following gear.

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