Sonifex CM-ULR1 Passive Phono to RJ45 Converter
The Sonifex CM-ULR1 Passive Phono to RJ45 Converter makes it easy to connect your home audio gear to professional setups without losing sound quality. Compact and built to last, it helps you enjoy clearer audio with less noise, even over longer cable runs. It’s the simple, reliable way to bridge the gap between unbalanced and balanced audio.
Sonifex CM-ULR1 Passive Phono to RJ45 Converter Review
The Sonifex CM-ULR1 uses transformer balancing with a 1:2 ratio to give your signal a boost of 6dB, making it a great fit for pro-level outputs. It’s a passive design, so there’s no power needed—just plug in and go. Place it near your unbalanced source to take advantage of your equipment’s noise-reduction capabilities, ensuring clean and interference-free sound, even in challenging environments.
Sonifex CM-ULR1 Passive Phono to RJ45 Converter Features
- Helps reduce noise for a cleaner audio signal
- Boosts signal strength for better sound performance
- Works without needing power or batteries
- Sturdy, compact build that’s easy to place anywhere
- Simple plug-and-play setup for quick use
- Ideal for home or studio audio connections
Sonifex CM-ULR1 Passive Phono to RJ45 Converter Specs
- Input to output level ratio 1 to 2
- Input to output impedance ratio 1 to 4
- Maximum input level +22dBu and maximum output level +28dBu
- Frequency response 20Hz to 20kHz (+0/-0.5dB)
- Distortion under 0.02% at +8dBu output
- Dimensions 3.0 in W x 3.3 in D x 1.7 in H
- Weight 0.49 lbs



