Project Head Box DS


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Project Head Box DS

The Head Box DS is Project's mid-range level headphone pre-amplifier within their Box Design series. This highly capable and well-respected headphone preamp allows any music enthusiast to truly enjoy every element of their music from the comfort and privacy of their own headphones.

The newly designed on-screen display means that the listening experience is fully controllable by the user and with the inclusion of a number of digital inputs, essentially any music source can be connected to and processed by the Head Box DS without a stitch. 

An analogue connection has also been added the Head Box DS, meaning that the unit can be used as an audiophile quality D/A converter for larger hi-fi systems.


 Power Output 350mW / 30 Ohm
60mW / 300 Ohm 
Headphone Connection  >30 Ohm 
Signal to Noise Ratio  112dB (A-Weighted) at max output 
Frequency Response  20Hz - 20kHz / - 0.05dB 
Total Harmonic Distortion  0.0014% 
Gain  9dB 
Headphone Jack  3-Pole 1/4" Jack (6.3mm) 
Line-Level Input/Output  1 Pair of RCA/Phono Socket 
 DAC Cirrus Logic CS4344
24Bit/192kHz Delta-Sigma-D/A-Wandler 
USB Sample Rates  44.1kHz
Optical Sample Rates 44.1kHz
Coaxial Sample Rates  441.kHz
Outboard PSU 18V / 1000mA DC
Power Consumption 500mA DC, <1W in standby
Dimensions in mm (Width x Height x Depth) 103 x 72 x 144 (150 inc sockets)
Weight 990g (not including PSU)

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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

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