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Sennheiser HD660S Headphones + Pro-Ject Head Box S2 Digital Package


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Enquiry/price check? Click here SKU: SNH660S-PJHBS2D
Ex VAT: £474.17

RRP: £674.00


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RRP: £674.00


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Tech Specs

Sennheiser HD660S
- Transducer: Dynamic, open
- Impedance: 150O
- Connector: Stereo jack
- Unbal: gold-plated 6.35mm
- Other: 3-pin 4.4mm, bal 5-pin
- Freq resp: 10–41000Hz (-10dB)
- SP Level: 104dB @1V 1kHz
- Coupling: Over-ear (circumaural)
- THD + N: <0,04% (1kHz, 100 dB)
- Weight: 260g (without cable)


Pro-Ject Head Box S2 Digital
- Coax (S/PDIF), Optical (Tos), USB B
- D/A Converter: ESS9038Q2M 32-bit
- PCM: 768kHz / DSD256
- Headphone amp chip: ESS9063
- Sampling rates: 32 - 768 kHz
- Frequency response: 20Hz - 20kHz
- Analog out: 6.3mm headphone, RCA Pre
- Output voltage: 2.05 Veff
- Headphone out power: 68mW (32Ohms)
- THD: 0.0007%, Dynamic range: 120dBA
- Power consumption: 5V, micro USB
- Dimensions (WHD): 103 x 37 x 120mm
- Weight: 366g

Product Description

Exceptional headphone package incorporating Sennheiser HD660S Headphones and Pro-Ject Head Box S2 Digital headphone amplifier fusing design and technology from two world-renowned audio manufacturers.

Sennheiser HD660S

Sennheiser HD660S Headphones descend from the legendary HD 650, which feature an improved sonic performance with a new transducer design for the sophisticated audiophile that will perform in a large range of listening situations.

Pro-Ject Head Box S2 Digital

Pro-Ject Head Box S2 has enough power to unleash the best sound quality from any headphone. It features a rich and full sound performance with plenty of dynamics and impressive transparency.

More Info

For more information on the amplifier, please visit our main Head Box S2 Digital page.
For more information on the headphones, please visit our main Sennheiser HD660S page.

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Contact Details

UK Local Rate Number
0844 50 403 50

Sales Landline
0121 224 7300/7401

Customer Services Landline
0121 224 7350/7351

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