ProJect Head Box S USB


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Project's Head Box S USB utilises the same audiophile standard preamp as its counterpart; the Head Box S. This unit however, benefits from the addition of an integrated USB DAC. This small and compact unit is ideal for office/desk operations where headphones and private PC listening may take priority.

The DAC within the unit is of a high quality standard and converts your favourite digital music straight from your PC or laptop, while the amplifier section of the Head Box S USB powers your headphones to the best of their ability in order to truly appreciate this high quality D/A conversion.


 Power Output 350mW (30 ohm)
60mW (300 ohm) 
Headphone Connection  >30 ohms 
Signal-To-Noise (Full Output)  112dB (A-weighted) 
Frequency Response  20hz - 20,000hz / 0.7dB, 0dB 
Total Harmonic Distortion  0.002% 
Gain  9dB 
Headphone Jack  3-pole 1/4" co-axial jack 
Line-Level Input  1 x Pair of RCA Phono Sockets 
DAC  Burr-Brown PCM2702E
16-Bit Delta Sigma, 8 Fach Oversampling 
Oversampling Rates  44.1kHz and 48kHz 
USB Input  5-Pin Mini B Connector (Cable included) 
USB Signal Digital Serial Data Protocol USB 1.1
Operating Systems Windows XP and higher
Mac OS 
Outboard Power Supply 18V/500mA DC
Power Consumption 250mA DC, <1W in Standby
Dimensions in mm - Width x Height x Depth 103 x 36 x 103 (109 inc sockets)
Weight 600g (without power supply)

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Providing your item is in stock, the order is usually dispatched within 24 hours. Please remember that postage and packing is completely free for orders over £50*. Out of stock items will be dispatched as soon as they become available, out of stock items can take between 4 to 21 days for dispatch.

Deliveries usually take 1-3 working days. The majority of orders are sent via our couriers'; Interlink Express on a next-day-delivery service. Smaller, low value or light-weight items are normally posted using Royal Mail Recorded or Royal Mail Special Delivery.

Once your product has been dispatched, you will be notified via email and sent a unique consignment number, you can use this number at to check the status of your delivery. If you have provided a mobile telephone number, Interlink's Predict service will notify you by text (and email) of a one-hour delivery window. If the window they suggest is inconvenient, you can change the date of delivery to a later one via text or email.

*We ship free of charge to mainland UK addresses, excluding the Scottish Highlands or 'Out-Of-Reach' Scottish locations. Please consult the post-codes below to see if your location falls within this category. If you are still unsure, please contact us on 01432 354921. We also ship to Northern Ireland, Channel Islands, Scilly Isles, Scottish Isles and Scottish Highlands, however delivery to these locations will incur a charge and can only be sent via a 2-day service.

Shipping CostsMainland UK (Next-Day)Offshore/Out-of-reach (2-day)Northern Ireland, Channel Islands, Isle of Man, Scottish Islands, Scilly IslandsRepublic of Ireland (2-day)
Under £50 Orders £7.50 £12.50 £15.00
Over £50 Orders FREE £19.99 £29.99
Surcharge Orders £50.00 £69.99 £79.99
Saturday Delivery £12.99 N/A N/A
Sunday Delivery £12.99 N/A N/A
Saturday by 12 Delivery £35 N/A N/A


Post codes exempt from the free delivery service include:

Scottish Highlands Post Codes: AB30-38, AB41-42, AB44-56, FK17-99, G83, IV1-28, IV30-39, IV52-54, IV63, KW1-14, PA21-33, PA34-40, PH15-26, PH31-41, PH49-50
Islands Post Codes: HS1-9, IV40-51, IV55-56, KA27-28, KW15-17, PA20, PA41-49, PA60-78, PH42-44, ZE1-3
Northern Ireland: All BT postcodes
Channel Islands Post Codes: JE, GY
Scilly Isles Post Codes: TR21, TR22, TR23, TR24, TR25