Model 3 BA4

4-driver Reference In-ear Monitors
Designed for professionals in music performance and recording with pin-point accuracy.

This product has been discontinued or is not currently available for sale.


Pinpoint Accuracy
ADV. Model 3 BA4 utilizes the proprietary quad (4) balanced armatures in passive crossover configuration that accurately reproduces entire frequency range of sound for maximum detail. This un-colored tuning invokes transparency and an intense sense of realism in sound, making it an ideal instrument for guitarists, sound engineers and composers.

MMCX Detachable Cable
The Model 3 BA4 features MMCX detachable cable system to swap out the cable when the cable gets damaged or frayed. This system allows you to quickly get back from your down-time for the next gig or recording sessions without needing to purchase the entire unit again.

Truly Designed for Musicians
The light-weight, ergonomic design allows ADV. Model 3 BA4 to sit in your ear comfortably for a long listening session, while the over-ear memory hook securely holds the Model 3 BA4 in place. This secure and comfortable fit is ideal for use in live concert / recording session for musicians and professionals.



Driver unit Quad (4) balanced armature
Impedance 11.5ohm+/-15%
Sensitivity 110dB+/-3dB at 1kHz
Frequency response Super Wideband 20Hz – 40kHz
Rated input power 2mW
Max input power 3mW
Cable length 1.5M
IEM connector MMCX
Plug 3.5mm gold plated


What's Included

  • 1 pair of Model 3 BA4 IEM
  • 1 MMCX high-fidelity silver-plated 3.5mm cable
  • 3 pairs of blue foam tips
  • 3 pairs of black silicone tips
  • 1 Tenacious shockproof case
  • 1 leather cable tie
  • 1 1/4" adapter



Premier manufacturer of professional in-ear audio equipment and accessories - Born in New York.

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