Head Box S3 B
Analogue Headphone AmplifierThe Head Box S3 B is a high-performance headphone amplifier built around a unique, fully balanced topology that redefines what is possible in its price class. Designed for audiophiles who demand surgical clarity, precision, and flexibility, it supports both balanced and single-ended headphones and integrates seamlessly into modern desktop and hi-fi systems.
Designed with the overarching goal to find the perfect balance between output power and perceived sound quality the Head Box S3 B sets new standards in its price range.
Fully Balanced Power
The Head Box S3 B features a fully balanced signal chain for both RCA and XLR inputs, ensuring maximum channel separation and minimal noise. Balanced headphone connections are available via 4.4 mm Pentaconn and XLR outputs, while single-ended headphones are supported through 3.5 mm and 6.3 mm outputs.
Specifications
- Max. power output: 480mW / 8 Ohms, 680mW / 16 Ohms, 820mW / 32 Ohms, 320mW / 300 Ohms
- Headphones output: 3.5mm, 6.3mm, 4.4mm balanced, 4 pin balanced XLR
- SNR: > 115dB „A“-wt. at 1kHz
- THD: < 0,002% at 1kHz @ 500mV Input
- Crosstalk: < -81dB at 10kHz
- Gain: 15dB / 9dB (RCA In /XLR In)
- Frequency response: < -0,25dB at 20Hz-20kHz
- Analogue inputs: 1 pair RCA/Cinch, 1 pair XLR
- Analogue loop outputs: 1 pair RCA
- Headphone impedance: min. 8 Ohms
- Power supply: 18V/1A DC, 110-240V, 50/60Hz
- Standby Power consumption: < 0,5W
- Dimensions W x H x D: 206 x 55 x 153 (170) mm
- Weight: 950 g without power supply