Introducing the XL4-2: a premium 2-channel vacuum-tube microphone preamp designed for studio and live use. With Class-A dual-mono architecture driven by premium 12AX7 tubes, this unit delivers rich analog warmth and ultra-low noise performance. Each channel offers up to 72 dB of gain, plus dedicated controls for pad, phantom power (+48 V), low-cut filter, phase reverse, and an AIR mode for enhanced presence. Illuminated VU meters and a rugged 2 U rack design round out the package. Whether you’re tracking vocals, instruments or line-level sources, the XL4-2 brings vintage character and modern control to your setup.

Key features:

• 2 independent Class-A tube preamp channels

• Up to 72 dB gain

• Premium 12AX7 vacuum tubes

• AIR circuit for added clarity and presence

• Pad, phantom power, low-cut, phase reverse per channel

• Illuminated VU metering

• 2 U rack mount chassis with universal power supply