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Sonifex RB-HD2 Dual Headphone Amplifier

Headphone Amplifier

Sonifex RB-HD2 Dual Headphone Amplifier

Sonifex RB-HD2 Dual Headphone Amplifier

Headphone Amplifier

SKU: 19058

Cat no: 6024

  • Dual headphone input
  • 2 x XLR inputs
  • Rack Mountable
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Estimated Delivery 1 to 2 days

£230.00 (ex vat) £276.00 (incl vat)

Sonifex RB-HD2 Dual Headphone Amplifier



The Sonifex Redbox RB-HD2 is a high performance 2-way stereo headphone distribution amplifier for driving up to 2 pairs of professional stereo headphones from a single stereo or mono input. A switch on the rear panel enables the distribution of a mono signal to all four outputs (i.e. both earpieces of a pair of stereo headphones) via the left channel input. The stereo/mono switch is located on the rear panel to prevent accidental knocking.

The XLR-3 inputs are electronically balanced and can be wired unbalanced. There are two preset controls on the rear panel that adjust the level of the master input signal to the outputs.
Each output is on a 1/4" stereo jack socket and is designed to drive 150 mW into 32 ohm to 600 ohm stereo headphones. The outputs are individually buffered with their own front panel volume control.
A LED power indicator on the front panel displays the power supply connection.

Product Specification

Audio Specification

Maximum Input Level +28dBu

Input Impedance >20kohm balanced bridging (main), 10kohm unbal override

Output Level Drives 150mW into 32-600ohm

headphones

Volume Control -60dB to +18dB gain

Input Gain Range -12dB to +20dB gain (preset pots)

Connections

Main Stereo Inputs 2 x XLR 3 pin female (balanced, can be unbalanced)

Outputs 2 x 0.25" (6.3mm) A/B gauge 3-pole stereo jack sockets

Remote Control 9-pin D-type socket

Mains Input Filtered IEC, switchable 110-120V, or 220-240V, fused, 9W max

Physical Specification

Weight Nett: 1.35kg

Gross: 2.0kg

Dimensions Raw: 48cm (W) x 10.8cm (D) x 4.2cm (H) (1U)

Boxed: 53cm (W) x 20.5cm (D) x 6cm (H)

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