Fully balanced high end headphone amplifier Made In Europe Built to Perform, Built to Last The 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. Technical 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
