ATC P4 4 channel monobloc power amplifier

Output Power (RMS) :
HF: 100 Watts into 6 ohms
MF: 200 Watts into 16 ohms
LF: 275 Watts x 2 into 8 ohms
Input Sensitivity :
1V
Input Impedance :
10k ohms
Amplitude Response :
5Hz - 20KHz ±0.1dB
Signal / Noise Ratio :
Better than 105dB
Crosstalk :
Better than 90dB
Power Requirements :
Voltage: 110, 115, 230
Frequency: 50/60Hz
(region dependent, factory set)
Overload Protection :
Active FET Momentary Gain Reduction
Dimensions : 19" Rack Mountable 5U high (220mm / 8.7")
Overall Depth : 545mm (21.4")
Front Panel & Handles : 75mm (3")
Rear Handles : 40mm (1.6")
Amplifier Body : 430mm (16.9")
Weight : 40kg approx.

UK Delivery

Providing your item is in stock, the order is usually dispatched within 24 hours. Postage and packing is completely free for orders over £99*. Out of stock items will be dispatched as soon as they become available, which can take between 4 to 21 days      

UK Delivery orders are sent via our couriers' DPD Local on a next-day-delivery service and usually take between 1 and 3 days. 

Local Delivery

Certain manufacturers disallow mail order for their products, however a local delivery may be possible.

We offer a local delivery service for a large number of our products. After your order has been placed, a member of the Hifi Gear team will contact you to arrange a convenient date and time for your local, personal delivery.

Click & Collect

We offer a free ‘Click & Collect’ service on all items. As soon as your order has been completed and is ready for collection a member of our team will be in contact with you. Orders can be collected from our store at 11 King Street, Hereford, HR4 9BW.

Please use this link to find more detailed delivery information or contact us for more details