Alpine PDR-F50 1000W 4 Channel Power Amplifier

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Quick Summary:
The PDR-Power amplifiers offer the best performance in their class, redefining expectations in the high-power compact amplifier category.
Special Price £275.85 Save £24.14 (8%) rrp: £299.99
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  • Next Day Delivery available on all order before 5pm Next Day Delivery available on all order before 5pm
  • Easy Returns Easy Returns
  • 1 Year Easy Warranty 1 Year Easy Warranty


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Alpine X-A70F 4-Channel Power Amplifier 1400w
Key Features

Alpine PDR-F50 1000W 4 Channel Power Amplifier

The PDR-Power amplifiers offer the best performance in their class, redefining expectations in the high-power compact amplifier category. Thanks to trickle-down technology, our in-house engineering team has taken many of the patent-pending technologies introduced in the industry-leading PDX series and infused them in the new PDR-Power amplifiers. The PDR-Power amps provide you with the absolute widest bandwidth, best signal-to-noise, lowest distortion and highest damping factor of any amplifier in their class without sacrificing power.
  • Rotatable Illuminated Alpine Badge
  • Top-Side Control Panel
  • Amplifier Type: Class-D (Digital)
  • Channel Design: 4/3/2 Channel
  • Thermal Control : Thermal management control
  • Low-battery Protection
  • Power Supply: Resonant Mode Power Supply
  • Power Supply Design: DC-DC PWM Power Supply
  • Board Circuitry: STAR Circuit
  • Current Protection: Auto Over-Current Protection
  • Power Indicator: Top Mounted Blue LED Power/Status Indicator (Power: Blue, Status: Blue/Red)
  • Crossover: Adjustable Low-Pass/High-Pass
  • Pre-Amp Stage: Discrete
  • Final Outputs: MOSFET
  • Board Design: 6-Layer Glass Epoxy PC Board
  • Gain Control: Adjustable
Technical Specifications

Max Power Output Ratings:

  • Total Max Power: 1000W

RMS Power Ratings:

  • Per channel into 4 Ohms: (@14.4V ≤1%THD+N) 85W x 4
  • Per channel into 2 Ohms: (@14.4V ≤1%THD+N) 125W x 4
  • Bridged into 4ohms, 14.4V(@14.4V ≤1%THD+N): 250W x 2


  • Power Requirements: 14.4V DC (11 - 16V)
  • Input Sensitivity (RCA Input): 0.2 - 4.0V
  • Input Impedance: >10k ohms
  • Frequency Response (+0, -3dB: 1W into 4 ohms): 8Hz - 45kHz
  • Frequency Response (+0, -1dB: 1W into 4 ohms): 10Hz - 30kHz
  • THD+N (10W into 4 ohms): ≤0.02%
  • THD+N (Rated Power into 4 ohms): ≤0.07%
  • Damping Factor (10W into 4 ohms at 100Hz): >500
  • Signal to Noise (Rated Power into 4 ohms): >106dB
  • Weight: 2.5kg


  • Angled Insert-Type Terminals
  • Integrated Wire and Mounting Screw Terminals
  • Terminal Layout: One-Sided
  • Mounting Design: Clean-look installation

Sound Tuning:

  • Crossover: Variable LPF, 50-400Hz (-12dB / oct )
  • Crossover: Variable HPF, 50-400Hz (-12dB / oct )
  • Equalizer (Bass EQ): 0 or +6 or +12dB (CH3/4, fc=50Hz) Selectable


  • Heat Sink (WxHxD) mm: 228.5mm x 165mm x 50.8mm
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Questions/Answers About This Product

Question: 30 September 2015

Car: Ford Focus - 2004> -

What equipment will I need to fit this myself?


hi you will need a facia kit wiring haness and weial adaptor i willlist the parts for you CT23FD01 Double Din fitting kit for Ford C-max/Focus/Fiesta Ford Stalk Interface FOR JVC AERIAL ADAPTER ISO RADIO TO DIN AERIAL

Question: 01 October 2015

Car: Ford Focus - 2004> -

How much will it cost for fitting?


Hi Contact your local store for installation quote.

Question: 22 November 2015

Car: VW Beetle - 1998> -

hi I want to fit this to a 2003 beetle do you stock a fascia kit for this unit and what else would I need for the fitting. Thanks


you will need the following parts VW Beetle Facia Plate VW VOLKSWAGEN antenna adaptor (PC5-52)

Question: 03 December 2015

Car: Land Rover Freelander - 2007> -

what parts would be required to fit this item into a '53 plate Freelander (no option for 2004>), in the key features it boasts this model plays CD's , will a disc changer plug into this unit if not ?


Good Afternoon, Yes, this unit will work in your car. In order to install it, you will need to purchase a complete installation kit: (CTKLR02) aswell a patch lead: (CTJVC2LEAD). Unfortunatly, a cd changer can not be used with aftermarket head-units. They have been discontinued for the past 7 years. The more modern route is to load the music either onto an ipod or usb stick. Thanks JVC universal stalk lead

Question: 05 February 2016

Car: Honda S2000 - 2001 > -

will this radio be compatible with my S2000, and also work as the OEM unit through the dashboard controls?


Hi This can be installed in your Honda S2000. You will need the below interface to retain the steering controls. 29-629 29-004

Question: 28 February 2016

Car: Vauxhall Astra - 2007> -

Hi, What harness adapter and aerial adapter would i nee to fit this in a 2008 astra van? thanks

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Fitting Services

Need help with Installation?

Here at CarAudioCentre we offer a professional and reputable fitting service in all our stores. For all fitting enquiries and bookings please visit or call one of our nationwide stores. Our fitters can install your new car stereo, DAB radio, audio visual, speakers, subwoofers or amplifier. We can also help to connect your iPod or MP3 player to you existing audio unit and can offer the best advice on the right in-car entertainment for your vehicle, to further this more we also offer a total 100% custom installation service for demo and show vehicles. So if you have an idea come on in and run it past us, the possibilities are endless and we are never too busy for an enthusiastic chat about our favourite subject.

Please note:

"That our two year warranty on products is only applicable to purchases made directly from us and that have been fitted in one of our stores."

Our Stores:

542 546 Mansfield Road, Sherwood NG5 2FR
Tel: 0115 9624 986
743-745 Eastern Ave, Newbury Park, London, IG2 7RT
Tel: 0208 599 2368
835 Garratt Lane, Tooting, London, SW17 0PG
Tel: 0208 971 9181