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Details about  TOPPING TP-21 T-Amp IC Tripath TA-2021 2×25W 4Ω Headphone Hi-Fi Power Amplifier

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TOPPING TP-21 T-Amp IC Tripath TA-2021 2×25W 4Ω Headphone Hi-Fi Power Amplifier
Item Ended
Item condition:
19 Nov, 2013 04:10:56 GMT
Doesn't post to United States | See details
Item location:
Wiltshire, United Kingdom

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Last updated on  18 Oct, 2013 10:27:28 BST  View all revisions
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Item specifics

New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is ... Read moreabout the condition

New Version TOPPING TP-21 Tripath TA-2021 Class T-Amp 2× 25W Headphone Hi-Fi Power Amplifier

UK Stock & No Custom Tax Issue

2- 3 business days delivery to ( not include Weekend )

Please check the below Shipping Service Description carefully before you purchase.

For this listing Price,we will  not cover the Customs Duty  Fee

Product Introduction :

  •     The Topping TP-21 is a so-called Class T integrated amplifier, based on the TA-2021 chipset.The chip makes use of a kind of "Digital Power Processing", this is, more or less, a Class D amplifier with high rate switching properties. That is why they put the word "digital" into it. Actually, there's nothing real digital inside, not in terms of D/A conversion. You can view the official TA-2021 datasheet with detailed tech Specs,  The Topping TP-21 is nothing else than a pure and simple application suggested by the chipset datasheet. No magic.
  •     Build in Op amp for headphone liner boost, easy to drive any headphone in 16 Ohm~200 Ohm impedance loading,the speaker cut off automatic when the earphone jack plug in. Totally 3000*2+220*5=7100uF super large capacity with ELNA ‘Pioneer’ Audiophile Grade Cap, very low ESR and high speed response sounds much clearly in detail and huge in deep bass.
  •     High grade component in use, there are Dale resistor, ELNA Caps, ALPS volume control, gold coat PCB,pure copper RCA socket with gold coat.  It will be amazed when drive to high sensitive (more than 86dB) speaker.   You can’t believe your ear but really hear the great sound from this little T amp.
  • Features :

    • Real 2 x 25W (@ 4ohm) / (2×14W @ 8ohm ) design.
    • Built-in headphone amplifier module, automatically headphone mode convert when plug in headphone.
    • Use professional HIFI components assembled. Nichicon,ERO,SEMENS,ELNA Capacitance and Dale resistors in use which can drive in better performance.
    • High capacity (3000*2+220*5=7100uF) of capacitor inside, supports the dynamic needs and improves the lean sound of switch power adapter.
    • Speaker protection and turn on delay circuit, to eliminate switch on popping sound.
    • Audiophile grade component inside (Alps switch, Elna capacitor, etc)
    • Best matching with speaker sensitivity above 88 dB (most of the entry level award winning bookshelf are 88 decibel and above)to achieve best sound quantity.
    • Over-current and over-temperature protection. 
    • TP-21 Technology Parameters

                T-Amp IC Tripath TA-2021

      • Output Power 2 x 25W @ 4ohm  / 2 x 14W @ 8ohm
      • Signal-to-Noise Ratio (SNR) 98dB
      • Dynamic Range 100dB
      • IHF-IM Distortion 0.1% @ 1W, 4ohm
      • THD Distortion
        0.03% @   9W 4ohm
        0.1%   @ 12W 4ohm
        0.1%   @   7W 8ohm
        10%    @ 25W 4ohm
        10%    @ 14W 8ohm
      • Power Efficiency 81% @ 25W, 4ohm, 88% @ 13.5W, 8ohm
      • Input Sensitivity 200mV
        Audio IN RCA (Left/Right) x 1
        Power socket (5.5mm/2.1mm) x 1
      • Output
        Speaker OUT (Left) x 1 pair (+ / -)
        Speaker OUT (Right) x 1 pair (+ / -)
        Headphone jack 3.5mm output x 1
      • Power Indicator (Blue LED) x 1
      • Power Supply input DC 12V~14.6V5A
      • Dimensions  : (W)113mm x (H)43mm x (D)172mm
      • Weight:  620g

Package Content:

  • 1 x TP-21  Power Amplifier
  • 1 x Power Supply ( AC100V-240V )
  • 1 x User's Manual


1. Item will be shipped within 2 working days  after full payment is receive. Tracking No. will be updated to eBay, you can find it on your end.

2. Our Standard Shipping Method refers to Royal Mail. It usually will take 2-3 business days Shipping time + 2 business days Dispatch time = 4-5 busniess days to delivery.

Please check the 'Estimated Delivery' to know item delivery time.

3.Delivery time depends on destination,logistics mode and other factors. If you have not received your shipment within 15 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Customer`s satisfaction is our goal.


1.   We accept payment via PAYPAL ONLY which provides full-scale buyer protection policy up to $500. We only ship to confirmed PAYPAL addresses. Please make sure payment address in PayPal is correct.

2.    All major credit cards are accepted through our secure payment processor PayPal.

3. Payment must be received within 7 business days of auction closing.


1. 14 days money back return policy. If you are not satisfied when you receive your item, please return it within 30 days for a replacement or money back. Please contact us for return address  before   you send it back.

2. If item defective

 in 3 months

we will send you a replacement without extra charge, or offer refund upon faulty received.

after 3 months

you are still welcomed to send it back to us for exchange

Buyer may responsible for all return shipping costs.

3.In case you receive wrong products due to shipping error, please contact us for exchange or refund. If it's damaged , please refuse to accept and contact us as soon as possible.


1.12 months Manufacturer's Warranty .

2.We guarantee 100% customer satisfaction. If your item is not as described or faulty when you receive it we will replace it for you with no additional charge.


Business seller information

Several3 E-Commerce Co.,Ltd

Returns policy

After receiving the item, cancel the purchase within
Return postage
14 days
Buyer pays return postage
The buyer is responsible for return postage costs.
Return policy details
Returns accepted
Most purchases from business sellers are protected by the Consumer Contract Regulations 2013 which give you the right to cancel the purchase within 14 days after the day you receive the item. Find out more about your rights as a buyer - opens in a new window or tab and exceptions - opens in a new window or tab.

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