Sonifex CM-HPX1 Passive Headphone Volume Control with XLR Input
The Sonifex CM-HPX1 Passive Headphone Volume Control with XLR Input is the simple, reliable way to connect balanced audio sources to your headphones while keeping control over volume. Compact, sturdy, and built for great sound, it’s perfect for studios, broadcast setups, or anyone who needs clear, high-quality headphone monitoring without extra gear.
Sonifex CM-HPX1 Passive Headphone Volume Control with XLR Input Review
Engineered with precision, the Sonifex CM-HPX1 uses transformer balancing to deliver clean, detailed audio from any stereo balanced line input straight to your headphones. With its smooth, logarithmic volume control, you can fine-tune levels with ease while protecting your ears from sudden volume spikes. Its rugged build and thoughtful design make it an ideal tool for professional environments that demand dependable performance day after day.
Sonifex CM-HPX1 Passive Headphone Volume Control with XLR Input Features
- Lets you plug in balanced audio sources and listen through headphones
- Smooth volume knob makes it easy to adjust sound levels
- Works best with headphones that have higher impedance for great sound quality
- Small and solid design fits easily into tight spaces
- No power needed so it’s always ready to go
Sonifex CM-HPX1 Passive Headphone Volume Control with XLR Input Specs
- Minimum headphone impedance 150 ohms
- Maximum input level +28 dBu
- Maximum output level +22 dBu
- Frequency response 20 Hz to 20 kHz (+0/-0.5 dB)
- Dimensions 3 in W x 3.3 in D x 1.7 in H
- Weight 0.49 lbs



