Headphone Amplifier
- Preamplifier with balanced and unbalanced inputs and outputs for high demands
- With THX Achromatic Audio Amplifier (AAA) technology
- For a realistic and fatigue-free listening experience
- Precise 256-step fully balanced relay gain control in 0.5 dB steps
- 100% Analogue
- Touch screen for easy access to functions such as balance control, input level offset, input name, dim function, remote, etc.
- Headphone outputs: 1 x TRS (6.3 mm jack), 1 x XLR (4-pin)
- THD < -125 dB (0.00006 %)
- Signal-to-noise ratio: > 135 dB (A-weighted)
- Frequency response: -3 dB @ 0.1 Hz and 500 kHz
- Output impedance: close to 0 Ohm
- Max. output power: 6 W into 16 Ohm
- Crosstalk: < -133 dB @ 1 kHz, -115 dB @ 10kHz (XLR4)
- Power requirement (nominal): 100 – 240 VAC, 50 – 60 Hz
- Protection systems: DC and short-circuit detection, overcurrent, overvoltage and thermal protection
- IR remote for control with optional Benchmark remote control (art. 501400 – not included in the delivery)
- Dimensions including feet (W x H x D): 22 x 10 x 21cm
- Weight: approx. 3.7 kg
- Colour: Black
Connections:
- 2x Stereo line input: balanced XLR
- 2x Stereo line input: unbalanced, Cinch
- 1x Stereo line output: balanced, XLR
- 1x Stereo line output: unbalanced, RCA
- 1x Mono sum output: balanced, XLR
- 2x Bidirectional 12V trigger connections
Balanced Line Outputs:
- Distortion factor < -125 dB (0.00006%)
- Signal-to-noise ratio: 137 dB (A-weighted)
- Frequency response: -3 dB @ 0.1 Hz and 500 kHz
- Output impedance: 60 Ohm
- Maximum input and output voltage: 20 Vrms (+28 dBu)
- Crosstalk: < -133 dB @ 1 kHz, -116 dB @ 10 kHz
Benchmark HPA4 Black
SOUND
QUALITY
FEATURES
VALUE FOR MONEY
EASE OF USE
4.6
