Project Head Box SE mkII headphone amplifier


Click on the image to enlarge and zoom.

This product is no longer available

Try these alternatives...

Low noise class A electronics combine with super regulated power supplies to produce a fabulous headphone amplifier. Two sets of headphones can be connected, each with it's own volume control, so you can listen with your partner. High quality, low noise Burr Brown op-amps are configured with surface mounted resistors and capacitors to create an optimum short signal path for maximum sound quality.
Power output mW/30ohms, 110mW/300ohms
Headphone connection > 30ohms
Signal to noise 110dB (115dB - A weighted) at full output
Frequency response 20Hz – 20kHz/-0,03dB
THD (IMD) ,003%/30ohms, 0,007/300ohms
Gain 12dB
Headphone jacks 3-pole ¼" (6,3mm Ø) phono socket
Outboard power supply 16V/1.000mA AC, suitable for your country's mains supply
Power consumption 16V/230mA AC
Dimensions W x H x D (D with sockets) 103 x 72 x 144 (150)mm
Weight 1.080g without power supply

There are no reviews for this product yet. Be the first to write a review.

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