ATC SIA2-150 stereo integrated amplifier


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The ATC SIA2-150 MK2 is a high performance 150 Watt per channel Stereo Integrated Amplifier perfectly suited to driving ATC speakers or any other high end speakers of your choice, Building on it's professional studio audio experience, ATC have designed a powerhouse of an amplifier which has tremendous power and at the same time amazing detail and delicacy. The balance of features and power output very carefully in order to offer a Hi-Fi component that will meet a very wide range of requirements. The extremely low distortion also explains the tangibility and precision of the stereo sound stage, recreating the full presence of the recording. The simple and direct signal path within the pre amplifier stages preserves subtle low level information and ensures that the whole combination of the pre and power amplifier remains neutral and totally free of colourations.

Output Power into 8 ohms :150W
Input Sensitivity :350mV
Input Impedance :22k ohms
Frequency Response :5Hz - 200KHz ±0.1dB
Signal / Noise Ratio :>100dB
Crosstalk :>90dB
Dimensions (HxWxD):135x435x325
Weight (HxWxD):20kg / 44lbs
150 watts per channel.
Class A/B operation.
Hand built in the UK.
5 RCA inputs.
Record, sub and pre outputs.
Headphone jack.
Remote control.

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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