Pro-Ject: Head Box S2 Headphone Amplifier - Silver

• audiophile grade headphone amplifier
• significantly better sound than standard headphone outputs from integrated amplifiers
• separate 1/4" + 1/8" headphone outputs, usable simultaneously
• RCA stereo input
• bypass RCA loop output for additional amplifier
• suitable for headphones w/ low or high impedance
• extremely low noise + distortion
• full metal housing protects against vibrations + electromagnetic interference
• DC power supply
  
• also available in silver

"Head Box S2 has enough power to unleash highest sound quality from any headphone. Front-sided are two headphone jacks, one 1/4 inch for hifi headphones and one 1/8 inch for modern headphones. For shared listening experiences both outputs can be used simultaneously. Its 725mW output power will deliver top quality sound and enough volume, even for those who wish to listen at loud volumes! Head Box S2 features a rich and full sound with plenty of dynamics and transparency." - Pro-Ject 

• power output: 725mW/32 ohms
  
• output impedance: <1 ohm
• signal-to-noise ratio: -110dBV
• gain: 11dB
• crosstalk: 68dB
• frequency response: 20 Hz - 80 kHz
• power supply: 5V / 0.5A DC
  
• dimensions: 4” x 1.4” x 4.7” / 103 x 37 x 120 mm
• weight: 0.8 lbs / 365g