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PHONON SMB-03 Subtonic Monitor Basic Headphones

■ Headphones for recording and performing ■

The SMB-03 reproduces an intimate sound ideal for monitoring.

PHONON’s unique tuning expertise allows you to achieve an outstanding acoustic balance and maximize studio recording performances.

Lightweight and designed for extended periods of use, these made-in-Japan headphones deliver perfect sound quality.


  • High resolution 40mm driver
  • Earcup shape with lightweight housing structure designed for extended use
  • Detachable chord interchangeable with SMB-01L 4-wire LR independent ground connection cable (sold separately) for even more superior high-end sound quality


Type Enclosed dynamic
Driver Φ40mm
Sensitivity 98dB/mW
Frequency response 10〜24,000Hz
Maximum power 450mW
Impedance 32Ω
Weight 250g (Excluding wires)
Plug Φ6.3mm / Φ3.5mm Gold-plated Stereo
Cable Detachable curling cord (OFC)