Warm Audio WA-44 Studio Ribbon Microphone

SKU: WA-44
Sale price$999.99 USD Regular price$1,299.99 USD
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The Original Lead Vocal Mic

The WA-44 faithfully recreates the most iconic studio ribbon microphone of all time. Just like the legendary RCA 44BX ribbons of the 1930s loved by crooners, band leaders, drummers, upright bassists, producers and more, the WA-44 delivers powerful bass with a pronounced proximity effect, lush mids, and a tamed top end. The WA-44 excels on loud audio source and delivers the iconic warm, vintage, & sultry tones, which is what made the original the mic of choice for some of the most legendary vocalists including Elvis Presley, Ella Fitzgerald, Jeff Tweedy, Frank Sinatra, Johnny Cash and many more. With elite build quality and vintage-matched, premium components, the WA-44 faithfully captures the iconic tonal experience at the center of recording and broadcast history.

Vintage-Correct Ribbon & Custom Transformer

With a boutique-quality build and design, the WA-44 is manufactured with exacting quality standards to match the most prized original 1930s-era RCA 44BX vintage mics. The WA-44 ribbon is 99.1% aluminum, true-to-length, 2.5 microns-thick, and custom-crafted in Japan. Paired with the ribbon is a heavy, true-to-size Neodymium magnet designed to create a strong magnetic field capable of delivering nuances and detail in the midrange. The ribbon and magnet are powered by a USA-made CineMag transformer built to reproduce true-to-vintage tone with added modern reliability. Weighing in at over six pounds, the WA-44 revives this classic design with a premium build of intricate and rugged metal work that is ready for every day studio use and abuse. The WA-44 Includes an attached Star-Quad shielded Gotham XLR cable connector, embroidered protective mic sock, and molded case. Add in that all WA-44s are carefully hand-inspected & tested at Warm Audio Headquarters in Austin, Texas and what remains is truly an unprecedented value for a premium ribbon microphone.

Sultry, Rich, And Never-Harsh In The High-End

True to the vintage original, the WA-44 has an instantly recognizable sound profile, capturing powerful bass, rich midrange, and never-harsh highs with enhanced proximity effect. The WA-44 shows off its warm forgiving tone by taming top-end harshness for smooth lead tones on vocals, horns, drums, pianos, strings and more. Like its inspiration, the WA-44 excels when the goal is to capture intricate low and midrange detail on loud audio sources. The tight figure-8 polar pattern creates opportunities in the studio to capture unique tones that work perfectly in the mix by rejecting side-address noise and reproducing reflections from the back of the mic. A great choice for vocal or instrument recordings that benefit from a reduction in high-end frequencies, the WA-44 is ideal for capturing haunting horn sections, resonant acoustic instruments, sultry strings, flat drum sounds, deep piano tones, and much more.


  • Faithful re-creation of the most iconic broadcast ribbon mic of all-time
  • Rich proximity effect brings out the low end, making it sound bold and authoritative on vocals for both speech and music
  • Rolled-off top end tames harshness for a smooth, natural sound on vocals, drums and cymbals, horns, strings, piano, and much more
  • Tight bidirectional (figure-8) polar pattern provides superb off-axis rejection and gives your source a focused sound
  • Made from top-quality premium components: strong Neodymium magnet powered by a USA-made CineMag transformer and a 99.1% aluminum ribbon that is 2.5-microns thick
  • Includes a Star-Quad shielded Gotham XLR cable and embroidered case
  • 20Hz–20kHz frequency response (+/- 12db) captures every nuance and detail
  • 140dB max SPL enables it to handle loud sound sources with ease


  • Microphone Type: Ribbon
  • Ribbon Type: 2.5-micron Aluminum
  • Polar Pattern: Figure-8
  • Frequency Response: 20Hz-20kHz
  • Max SPL: 140dB
  • Output Impedance: 270 ohms
  • Connector: XLR
  • Weight: 6.2 lbs.