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Citronic QP1600 4 x 400W Quad Power Amplifier
  • Citronic QP1600 4 x 400W Quad Power Amplifier
  • Citronic QP1600 4 x 400W Quad Power Amplifier

Citronic QP1600 4 x 400W Quad Power Amplifier

Code: 172.241
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  • Perfect for multi-speaker PA applications
  • 4 Fully independent channels with volume controls
  • Stable down to 2 Ohms
  • 4 x 200W @ 8 Ohms
  • 4 x 300W @ 4 Ohms
  • 4 x 400W @ 2 Ohms
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RRP: £429.00 (inc. VAT)
Save: 31%
Your Price: £295.00 (inc. VAT)
Item in Stock  |  Usually dispatched within 24 hours
  • Delivery Information
  • Standard Delivery - (FREE UK Delivery)
  • Express Delivery Available
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The Citronic QP-Series Quad Power Amplifiers are designed to deliver high-quality, reliable sound for multi-speaker PA systems. Thanks to dual fan cooling, the QP Power Amplifiers can be used for long durations of time.

The Citronic QP Amplifiers can be used as 2 stereo amplifiers, a stereo sub + stereo mid-tops amplifier or a 4-zone mono system.

These cost-effective, efficient amplifiers are perfect for a wide range of environments such as bars, clubs, live music venues, theatres, gyms, dance studios etc.


High-power Output

The Citronic QP1600 has a powerful output of 4 x 200W @ 8 Ohms, 4 x 300W @ 4 Ohms, and 4 x 400W @ 2 Ohms. 

Each channel output is on Speakon (SPK) connections. 



Each channel has balanced XLR inputs ensuring a strong signal is carried across from mixing desks and PA systems.

All 4 channels are fully independent and have individual volume control. 


Overload Protection

During use, green “SIGNAL” LEDs will illuminate to show when a signal is present and red LED “CLIP” LEDs illuminate if the output is reaching clip level. If the red CLIP LEDs illuminate more than very briefly, reduce the volume until they hardly light up at all.

If the internal protection circuitry detects a fault in the speakers or amp, the channel(s) will enter Protect Mode and red “PROTECT” LEDs will illuminate on the front panel to show this. Switch the amplifier off and check the entire system (including leads) before powering up again. If still in Protect Mode, seek advice from qualified service personnel.


Power supply: 230Vac, 50Hz (IEC)

Input: line: 4 x XLRF balanced

Output : line: 4 x XLRM (parallel from inputs)

Input impedance: 20k Ohms

Frequency response: 5Hz - 50kHz

THD: 0.05%

Slew rate: 40V/usec

S/N ratio: 103dB

Controls: 4 x channel gain

Speaker: outputs: 4 x SPK connectors

Circuit protection: Short-circuit, DC, overload, soft-start

Dimensions: 483 x 439 x 88mm

Fuse rating: F8A

Power rms @ 8 Ohms: 4 x 200W

Power rms @ 4 Ohms: 4 x 300W

Power rms @ 2 Ohms: 4 x 400W

Weight: 22kg

Citronic QP1600 4 x 400W Quad Power Amplifier

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Digital Downloads (buying software)

All software marked as "serial download" or "digital download" will be delivered via email within normal office hours.

Simply add the software to the basket and at the delivery stage in the checkout please select "Digital Download - Software by email" as your delivery method

Delivery Charges (Main Products)

The cutoff for same-day dispatch is 3:30pm but can vary at busier times such as Christmas.

All orders over £39.00 will be delivered free via our standard delivery 2-3 days (UK Mainland)

If you need your item faster we also offer a Priority Tracked service at £3.99 (1-2 days) or Next Day Tracked £6.99

(please ensure you add a mobile number to your order for tracking)

Saturday delivery is available when ordered before 2pm (Mon-Fri)

All orders below £39.00 will start as low as £2.99 depending upon weight and qty(s) (UK Mainland) 

All Delivery options will be available at the delivery stage in the checkout

EU Delivery Times

Non UK Mainland Addresses please allow 1-3 Days
Delivery To Belgium / France / Germany please allow 3-4 Days
Music PC Systems - Please allow 5-7 Working Days build time (UK) 7-14 (Rest of the World)

French - Pour la Livraison s'il vous plaît permet en France 2-4 Jours
German - Für Lieferung Nach Deutschland erlaubt bitte 2-4 Tage

Delivery Notes
On delivery you must inspect the goods carefully for damage as Inta Audio is unable to accept responsibility for damage in transit, shortage of delivery or loss of products unless the customer advises Inta Audio of such within three working days from the date of delivery.


Returns Policy

We ask that you follow these guidelines to help us process your return as quickly and efficiently as possible:

1. Please keep your order reference to hand. This confirms your original order and gives us the necessary details to authorise the product’s return.

2. Contact our Customer Services Team on 02476 369898 (or e-mail We will then send you an RMA number and returns form which needs to be completed and sent back with the returned item(s).

3. (If the order has been unpacked) re-package it to ensure that it is being returned in its original condition. Please make sure all items relating to the product are returned, including manuals and cables.

4. When returning an item please obtain a ‘proof of postage’ receipt from the Courier.

Returned items must be mailed within 10 days of when the RMA Number has been issued. Items received with a post date 30 days after your requested return will NOT be eligible for refund.

Please note: Our returns policy is quite straightforward but there are a number of conditions that we ask our customers to comply with before applying:

1. It is your responsibility to request a return. If you don’t tell us you want to make a return, we don’t know. Once you do tell us, we will do everything we can to action it.

2. If you have not requested a return within 28 days of receiving an order, we will have assumed that you are intending to keep it and we will not authorise a return.

3. We always refund the payment according to how the original purchase was made and aim to do so within 72hrs of the return being received by us.

4. Returned goods are liable for a restocking fee of 15% towards handling and repackaging if the order is not returned in its original, unopened packaging. This charge will be subject to our inspection of the returned goods.

5. Delivery charges will not be refunded unless the delivered goods are faulty.

6. Replacement products are dispatched immediately after the returned goods have been received and accepted by Inta Audio.

7. Items that develop a fault within 30 days of delivery are eligible for a replacement or a refund. Delivery costs are also reimbursed for faulty items. Please contact our Customer Services Team on 02476 369898 if you believe your item has developed a fault.

Finally, please remember that notifying us of your intention to apply for a return, saving the delivery paperwork and keeping the order in its original packaging will help both you and Inta Audio to process the return quickly.

If you have any questions about our Returns policy please telephone us on 02476 369898 or email us at