Project Amp Box Stereo power amplifier

Project Amp Box Stereo power amplifier

Sorry, This product is no longer available



Project Amp Box Stereo Amplifier - Ex Display, Boxed with all accessories

With 20W per channel available into 8 ohms, the Project Amp Box Stereo is a compact amplifier solution which will find many applications, for example amplifying the audio output of your PC or laptop.

80% efficiency means little waste energy as head, thanks to the class D circuitry of the Project Amp Box Stereo. Short signal paths ensure the most dynamic and detail sound quality.

Gold plated input and output sockets guarantee excellent reliable connections, whilst also having a trigger input to facilitate remote switching from standby to on.

  Power output    2 x 20W/30W at 8ohms/4ohms (both channels driven)
Frequency response    5Hz - 20kHz (+ 0dB, - 0,5dB)
Channel separation    > 40dB at 20kHz
Noise floor    > -100dB (A weighted)
THD    < 0,05% at 10W
Gain    22dB
Pre in    1 pair RCA/Phono sockets
Input sensitivity    1V
Input impedance    47kohm
Speaker connectors    4mm banana plugs, spades connectors or naked wire
Trigger    12V DC switching voltage
Trigger in and out     2-pole 2,5mm co-axial jack
Outboard power supply    20V/3A DC (peak 7A DC), suitable for your country's mains supply
Power consumption    20V/3A DC
Dimensions W x H x D (D with sockets)    103 x 36 x 103 (122)mm
Weight without power supply    670g

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


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

Press & Awards


Project CD Box

Project CD Box

Project Pre Box stereo preamplifier

Project Pre Box stereo preamplifier

Regular Price: £200.00

Special Price £149.00