1-channel microphone and instrument preamplifier. Cinemag USA input and output transformers. Tone switch to toggle the input impedance from 600 to 150 Ω. 71 dB gain. Socketed OpAmp: X731 (vintage). Microphone input: XLR. Rear Hi-Z input: 6.3 mm jack. The Warm Audio WA12 MKII Black is not just a preamplifier, but a powerful tool that can transform any sound into something extraordinary. Unlike many other preamps on the market that merely increase volume, the WA12 MKII Black goes a step further. With its unique ability to enhance and shape the signal, this preamp elevates the sound quality of your recordings to a new level. Thanks to its discrete high-voltage dual-transformer design, the WA12 MKII Black delivers remarkable sound performance with high gain and low noise. Equipped with premium components like the X731 operational amplifier and CineMag USA transformers, this preamp offers a versatile and professional solution for all recording applications. Whether you are recording simple instruments or vocals, the WA12 MKII Black ensures your sound is vibrant and professional. Discover the transformative power of this preamp and give your recordings an unparalleled brilliance.