Products

Product Description

The Sonifex CM-HPR1 passive headphone volume control allows you to connect a stereo balanced line input via RJ45 using the StudioHub+ pinout to create a headphone output with level control for any headphone over 150 ohms impedance. Transformer balanced at a ratio of 2:1 your ensured that any headphone load the unit is presented with is reflected to the input at a 1:4 ratio, suitably loaded for a good quality line output stages.

• Input/Output Level Ratio: 2:01
• Input/Output Impedance Ratio: 4:01
• Minimum Headphone Impedance: 150O
• Max Input Level: +28dBu
• Max Output Level: +22dBu
• Frequency Response: 20Hz to 20kHz, +0/-0.5dB
• Noise: <-115dBu A-wgtd
• Distortion Ref +8dBu (Output): <0.01%
• Common Mode Rejection: >80dB
• Main Stereo Input: 1 x RJ45 female StudioHub+ pinout
• Output: 1/4 inch (6.35mm) A/B gauge 3-pole stereo jack sockets