Warm Audio

Warm Audio WA-412 4-Channel Microphone Preamp DI

4.5 (8 reviews)

Sculpt Your Sound with Classic Console Tone The Warm Audio WA-412 is a 4-channel microphone preamp and instrument DI that delivers the coveted sound of classic American consoles. With a punchy low end and smooth top end, it's perfect for achieving a professional, world-class tone in your studio....

$1,199.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Sculpt Your Sound with Classic Console Tone

The Warm Audio WA-412 is a 4-channel microphone preamp and instrument DI that delivers the coveted sound of classic American consoles. With a punchy low end and smooth top end, it's perfect for achieving a professional, world-class tone in your studio.

Specifications:

  • Channels: 4
  • Preamplifier Type: Microphone Preamplifier + Instrument DI
  • Transformers: Custom Altran USA Transformers
  • Topology: Fully discrete, transformer coupled, through-hole component topology
  • Op-amp: X520 discrete op-amp in every channel
  • Gain: 65dB
  • Connectors: XLR, TRS, 2MEG Ohm HI-Z
  • Compatible Devices: Devices with compatible XLR, TRS, or 2MEG Ohm HI-Z inputs
  • Material: Plastic, Metal
  • Output Wattage: 40 Watts
  • Power Source: Corded Electric

Key Features

4 channel microphone preamplifier + instrument DI

Custom Altran USA Transformers

Fully discrete, transformer coupled, through-hole component topology

X520 discrete op-amp in every channel

65dB of gain

Specifications

Product Type
Microphone Preamplifier + Instrument DI
Channels
4
Transformers
Custom Altran USA Transformers
Circuit Topology
Fully discrete, transformer coupled, through-hole component
Op-Amp
X520 discrete op-amp (in every channel)
Maximum Gain
65dB

Pros & Cons

👍 Pros

  • Offers four independent channels of microphone preamplification, providing ample inputs for multi-track recording
  • Features custom Altran USA Transformers, contributing to a high-quality, authentic sonic character
  • Utilizes a fully discrete, transformer coupled, through-hole component topology, enhancing signal integrity and warmth
  • Incorporates an X520 discrete op-amp in every channel, designed for optimal gain staging and sound performance
  • Provides a substantial 65dB of gain, allowing for effective use with a wide range of microphones, including low-output dynamics

👎 Cons

  • The WA-412 is a 4-channel microphone preamp, which may not be sufficient for larger recording sessions requiring more inputs
  • The preamp offers a significant 65dB of gain, but specific noise figures or headroom specifications are not detailed
  • As a fully discrete, transformer coupled unit, its design might contribute to a larger physical footprint compared to more compact, IC-based preamps
  • The presence of custom Altran USA Transformers and X520 discrete op-amps suggests a specific sound profile that might not appeal to every user's preference
  • While it includes a DI for instruments, the primary focus is on microphone preamplification, so instrument input features may be less extensive than dedicated DIs

Frequently Asked Questions

The Warm Audio WA-412 is a 4-channel microphone preamplifier, also featuring an instrument DI.
This preamplifier utilizes custom Altran USA Transformers, contributing to its sonic characteristics.
The Warm Audio WA-412 provides 65dB of gain, suitable for a wide range of microphones and audio sources.
Yes, it features a fully discrete, transformer-coupled, through-hole component topology in its design.
Each channel of the Warm Audio WA-412 is equipped with an X520 discrete op-amp.