Project Head Box RS

Project Head Box RS

Free UK Delivery

In Stock
On Demo

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Project's Head Box RS appears to be a simple, compact box. The capability of the componetry and innovative engineering within however, allow a truly impressive level of performance to come from this small box. utilising a Tube-based input stage and an oustanding Class A output to its full potential, the sonic superiority of the Head Box RS truly matches the same level of quality, mechanical integrity and high resolution sound reproduction as the other components in the RS series.

This headphone amplifier uses a fully-balanced dual-mono design, allowing it to offer a beautiful stereo performance with phenomenally low distortion and a pure focus on getting the absolute most out of the headphones the unit is powering. A switchable headphone impedance setting means that the amp can be used with almost any headphone on the market today.



Headphone Jack  1/4" Jack (6.3mm) 
Input/Output  1 x RCA/Phono
1 x XLR 
Power Output  330mW/30Ohms, 60 mW/300Ohms 
Headphone Impedance  > 30 Ohms 
Signal to Noise  -112dB (A weighted) at Full Output 
Frequency Response  30Hz-20kHz/-0.05dB (10Hz - 120kHz/-1dB) 
Total Harmonic Distortion (IMD)  0.003% (0.002% 
Gain  11dB 
Outboard PSU  20V / 3A DC 
Dimensions in mm (Width x Height x Depth)  206 x 72 x 200 
Weight  2.1kg 

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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