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Pioneer A20-K 50W Stereo Amplifier with Direct Energy Design

SKU: A20-K
The A-20 Direct Energy Design amplifiers with Symmetrical Construction offer class-leading, high quality sound, wrapped in understated, technical elegance. The polished, brushed aluminum front panel comes with control knobs for Volume, Bass/ Treble/ Balance and Input Source selection. A range of tactile buttons finetune Loudness, Direct Mode and Speaker A/B. The rear panel provides immediate connectivity to Aux-In, Network, Recorder, Speaker A + B and 'Source Direct Mode' devices.



Main Features

  • Output Power per Channel 50W
  • Impedance at Output Level • 4 Ω - 16 Ω (A / B)
    • 8 Ω - 32 Ω (A + B)
    • 4 Ω - 16 Ω (Bi-wiring)
  • Number of Channels 2
  • Input Connections • SACD/CD
    • Phono (MM)
    • Aux
    • Network
    • Recorder
    • Tuner
  • Output Connections • Recorder
    • Phones
  • Remote Control

Input & Output connections

  • Headphone Input
  • Large speaker terminals
  • Phono Input
  • Pre-amp Output (2.1 ch)
  • Speaker A/B

Audio Features

  • Bass/Treble Tone Controls
  • 'DIRECT' Switch
  • Loudness (+)
  • Muting
  • Source Direct

Power Output

  • Power output per channel 50 W
  • Condition 20 Hz - 20 kHz, 4Ω, 0.1 % THD
  • Rated Power Output 50 W per channel
  • Frequency Response: LINE 5 Hz - 100 kHz, +0/-3 Hz
  • Power Requirements AC 220 - 230 V / 50 Hz
  • Power Consumption (in use / standby) 135 W / 0.30 W
  • Auto Power Down


  • Direct Construction (+)
  • Design - Direct Energy Design Amp
    - Symmetrical Power Amp
    - Clean Ground Construction
    - Isolated Power Supply
    - Source Direct Mode
    - Trans-Stabiliser
    - Speaker A, B, A+B Selector
    - Aluminium Panels
    - Auto Power Down

Amplifier Specifications

  • Dimensions (W x H x D) 435 x 128 x 360  mm
  • Weight 7.2 kg

Additional Information

Colour Black
HiFi Attributes No

We believe in providing the best customer service possible. This is why we don’t think it’s fair that you should have to pay for delivery of your new electronic products. You wouldn’t pay for delivery if you came to our store, so why should you pay online?

With that in mind AV Lounge is happy to offer FREE DELIVERY on every purchase with our Standard Delivery option!

Products are usual dispatched on the same working day if ordered before 2:00pm. You will receive email notification when your product has been dispatched.

Free Delivery is based on delivery within 3-4 working days. If you require NEXT DAY or SATURDAY delivery, please choose this option at the checkout.

We do not ship to Northern Ireland, Scottish Islands, Channel Islands, Isle of White, Isle of Man. If you live in one of these exclusion zones please contact us on and we can quote on the shipping costs to you.

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