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Topping A90D Headphone Amplifier, Silver

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£599.00Price Includes
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Estimated delivery: 26th - 28th August
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5-year warranty & 30-day money-back guarantee included

5-year warranty & 30-day money-back guarantee included
You can purchase from AV.com with complete confidence and peace of mind. This product is new unless stated and comes with a 30-day money-back guarantee and a 5-year warranty as standard.

Once the product is delivered, you'll have 30 days to decide that you definitely want to keep it. If you decide it's not suitable, you can return it to us for an exchange or a refund, providing the product is in 'as new' condition and in its original packaging.

We do everything we can to make sure the right item reaches you in perfect condition. If your order arrives damaged, or is incorrect, let us know within 14 days of receiving it and we'll arrange for a free collection.

If your goods develop a fault within the warranty period, we'll quickly repair or replace the item for you. If the fault occurs within the first 180 days of your ownership, we'll collect the goods and deliver them back to you free of charge.

We're unable to accept returns of any custom-made items designed to work together as a unique package. Some items are only eligible for the money-back guarantee if they are returned to us unused and sealed in the original packaging.

For full information on our returns policy, please refer to our returns and refunds information page.

If you decide your order isn't suitable for any reason you can return it - just let us know within 30 days of receiving it. Please keep hold of all the original packaging until you're sure you want to keep the order.
 

Eligibility for Money Back Guarantee:

For hygiene and software licensing reasons, some items are only eligible for our Money Back Guarantee if they are returned to us unused and sealed in the original packaging with all software still "unregistered."

Details of exclusions are shown within the product descriptions.

Products include:
- Monitors and Headphones
- Earplugs and Ear Protection
- Custom cables

We can collect your return for a small fee, or you can send it back to us yourself. The collection fee can be found in the returns information on each product's page on AV.com.

In the unlikely event that any item in this order is faulty, damaged or incorrect on receipt, notify us within 14 days and we'll arrange a free collection.

When returning an order please ensure products are appropriately packaged and protected, to prevent them from getting damaged.

Summary of returns policies and timescales

This table provides an overview of your statutory consumer rights, compared with our standard returns policy and optional extended money back guarantee and warranty.

UK & Europe EU Standard AV.com Standard AV.com Optional
Return Period 14 days 30 days up to 180 days
Standard delivery charges refunded? Yes Yes Yes, up to 30 days
Upgraded delivery charges refunded? Standard costs only Standard costs only Standard costs only
Free collection on cancellation No No Yes, up to 30 days
Free collection if defective, delivered damaged or incorrect item Yes, within 14 days Yes, within 14 days Yes, within 30 days

We are unable to accept returns of any custom made items designed to work together as a unique package and some items are only eligible for money back guarantee if they are returned to us unused and sealed in the original packaging. For full information on our returns policy, please refer to our returns and refunds information guide.

10 YEAR EXTENDED WARRANTY SCHEME

The product price includes 5 years' warranty and 30 day money back guarantee.

However, the AV.com extended warranty scheme provides an enhanced service, and is designed to offer a higher level of protection than many 'free' warranties offered by some retailers and manufacturers.

The highlights of this enhanced warranty service are:

  • Warranty is extended to 10 years from the date of delivery.
  • Our Money Back guarantee is extended from 30 days to 180 days (terms apply after 30 days)
  • Collection and delivery costs are included for the first 2 years in the event of an item becoming faulty
  • Claim 50% cash back on the cost of the policy after 10 years if it has not been used!
  • Warranty is transferable if the item is re-sold
  • Loan or replacement equipment will be provided if the product isn't repaired within 30 days
  • If an item can not be repaired, a similar alternative product or cash discount (as defined in this policy) will be offered
  • The policy can be cancelled within 30 days, and at any time after that for a pro-rata discount

Please note that this extended warranty is currently only available on products sold within the UK, EU or EEA, and is subject to the terms and conditions as detailed on the extended warranty certificate provided.

For customers in outlying areas of the country, the price of the Extended Warranty may be marginally higher, due to the potential for higher collection and redelivery transport costs.

This enhanced warranty is in addition to the standard AV.com and manufacturer warranty policies, and the AV.com terms and conditions of trade. No statement or condition of sale contained within these terms affects or restricts your statutory rights as defined under the Consumer Contracts Regulation 2014.

Finance from £15.20 per month (14.9% APR Representative)

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  • 8.83%
  • £59.90
  • £15.20
  • £539.10
  • £190.50
  • £789.50

Please note: This is only available where all items in the order are dispatched in a single delivery. Gear4music Ltd is authorised and regulated by the Financial Conduct Authority ("FCA) (FCA FRN 706272) and acts as a credit intermediary and not a lender, offering credit products provided by a limited number of finance providers, including Klarna Financial Services UK Limited (company number 14290857), which is authorised and regulated by the FCA for carrying out regulated consumer credit activities (firm reference number 987889), and for the provision of payment services under the Electronic Monday Regulations 2011 (firm reference number 1021834).

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Pay by Finance

To make it as easy as possible for you to get the gear you want, we offer a range of instant finance options. If you spend £250 or more online, you can choose to pay over 12, 24, 36 or 48 months. The majority of decisions are given instantly, so you could get your new gear sooner than you thought!

Representative Example

To help you understand how our finance options work, the examples below are based on a total order value of £250:

Finance APR Rep. Deposit to Pay Payments Total Payable
12 months21.90%£25.0012 months: £21.51
Final Payment: £21.51
No settlement fee		£283.12
24 months21.90%£25.0024 months: £11.92
Final Payment: £11.92
No settlement fee		£311.08
36 months21.90%£25.0036 months: £8.77
Final Payment: £8.77
No settlement fee		£340.72
48 months14.90%£25.0048 months: £6.34
Final Payment: £6.34
No settlement fee		£329.32

How to Apply

Applying for finance couldn't be easier - if your order totals £250 or more, simply proceed through the checkout as normal. If your order qualifies, during the Payment step you'll see options available underneath the Flexible Payment Options heading. Select your preferred option and then click the orange PLACE ORDER USING FINANCE button. This will start your application with our finance partners. Completing this form should take approximately 10 minutes.

You should get an instant answer on whether your application has been successful, though in some rare cases our finance provider may need to look at the application in more detail.

Please note: This is only available on orders placed via the website consisting of a single delivery, and is not available in store or via phone currently. Warranties can not be purchased on finance. If you wish to purchase warranties, please choose another payment method or contact us after placing your order and we'll be happy to help you. Additionally, please note that software downloads are subject to a £300 maximum spend.
Pay by Finance

To make it as easy as possible for you to get the gear you want, we offer a range of instant finance options. If you spend £250 or more online, you can choose to pay over 12, 24, 36 or 48 months. The majority of decisions are given instantly, so you could get your new gear sooner than you thought!

Representative Example

To help you understand how our finance options work, the examples below are based on a total order value of £250:

Finance APR Rep. Deposit to Pay Payments Total Payable
12 months21.90%£25.0012 months: £21.51
Final Payment: £21.51
No settlement fee		£283.12
24 months21.90%£25.0024 months: £11.92
Final Payment: £11.92
No settlement fee		£311.08
36 months21.90%£25.0036 months: £8.77
Final Payment: £8.77
No settlement fee		£340.72
48 months14.90%£25.0048 months: £6.34
Final Payment: £6.34
No settlement fee		£329.32

How to Apply

Applying for finance couldn't be easier - if your order totals £250 or more, simply proceed through the checkout as normal. If your order qualifies, during the Payment step you'll see options available underneath the Flexible Payment Options heading. Select your preferred option and then click the orange PLACE ORDER USING FINANCE button. This will start your application with our finance partners. Completing this form should take approximately 10 minutes.

You should get an instant answer on whether your application has been successful, though in some rare cases our finance provider may need to look at the application in more detail.

Please note: This is only available on orders placed via the website consisting of a single delivery, and is not available in store or via phone currently. Warranties can not be purchased on finance. If you wish to purchase warranties, please choose another payment method or contact us after placing your order and we'll be happy to help you. Additionally, please note that software downloads are subject to a £300 maximum spend.

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Split the cost into 3 equal monthly payments of £199.67 - interest free

Borrowing more than you can afford or paying late may negatively impact your financial status and ability to obtain credit. 18+. Subject to status. Late fees may apply. Ts&Cs apply.

Colour: Silver

Key Features

  • NFCA Discrete Headphone Amp
  • Fully balanced 4-PIN XLR and 4.4mm outputs
  • Also includes 6.35mm SE out with 3.5mm adaptor
  • Two gain settings (Low and High) enables wide coverage of headphone types
  • Switchable Headphone amp and RCA / XLR preamp
Questions? Email [email protected] or call 01706 878444

Topping A90D Headphone Amplifier, Silver Overview

The Topping A90D Headphone amplifier builds on the success of the A90 model, reconfiguring the NFCA module geometry to implement high performance, discrete amplification. Exceeding previous designs, the A90D delivers a powerful output capable of driving power hungry, low impedance headphones and highly sensitive in-ear monitors alike.


The internal components achieve astonishingly low noise levels, ensuring that the signal remains accurate, without colouration from unwanted distortion. The Topping A90D is a must-have for desktop scale high-fidelity audio.

Product Ref: 240351

Full Description

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Consistent High Performance

Topping demonstrate a new level of proficiency in the A90 Discrete headphone amplifier and provide lofty voltage and current output performance, whilst parallel circuit isolation keeps harmonic distortion to a minimum. Both single-ended and balanced inputs and output terminals are available, accommodating 4-Pin XLR, 4.4mm balanced and 6.35mm SE plugs with the high power requirements of a wide range of headphone sensitivities.

Versatile Headphone Amp

With two gain settings, L = 0dB / H = 9.5dB for SE and L = 6dB / H = 15.5dB, the A90D can easily adjust to the needs of your private listening. The perfect small footprint solution for maintaining quality audio, this headphone amplifier can also be set to preamp mode, fixable to external power amps. With 20Ω SE and 40Ω balanced outputs, the A90D provides the same high quality, low noise performance across a wide range of equipment.

Customisable and Expandable

Including customisable volume memory for HPA, PRE and HPA+PRE modes, the A90D lets you level with precision. It has also been integrated with an input extender connection, designed to be used with the Topping Ext 90. Expand from just one XLR / RCA input each to four XLR and two RCA, enabling a multisource desktop system. In advance of using multiple devices, Topping have included a ground loop noise switch to diminish distortion.

Key features

  • Redesigned Nested Feedback Composite Amplifier (NFCA) modules for discrete amplification
  • Ultra-low noise components supports efficient and accurate sound reproduction
  • Improved signal capacity specially suited to low impedance headphones
  • Ground loop noise alleviation lets you introduce multiple connections without added noise
  • Precise volume control with automatic volume memory for last settings used
  • Two gain switch; Balanced: LG=6dB / HG=15.5dB, SE: LG=0dB / HG=9.5dB
  • Compatible with the Topping Ext 90 Input Extender for multisource preamplification
  • Seamless integration into larger systems with 12V detection
  • Powerful desktop amplifier, not exceeding 5cm high or 23cm wide

What’s in the Box?

  • x1 Topping A90D Headphone Amplifier
  • x1 Remote control
  • x1 Power cord
  • x1 6.35mm to 3.5mm jack adaptor
  • x1 User manual (w/ Warranty card)

Specifications

A90 Discrete Headphone Amplifier Specifications

THD+N @1kHz (A-wt) SE in/SE out <0.000065 @Output=500mW (32Ω) / <0.000055 @Output=80mW (300Ω)

Bal in/SE out <0.000080 @Output=500mW (32Ω) / <0.000060 @Output=80mW (300Ω)

SE in/Bal out <0.000065 @Output=2000mW (32Ω) / <0.000055 @Output=320mW (300Ω)

Bal in/Bal out <0.000080 @Output=2000mW (32Ω) / <0.000060 @Output=320mW (300Ω)
THD @20 – 20kHz (90kBW) SE in/SE out 0.00030 @Output=500mW (32Ω) / <0.00025 @Output=80mW (300Ω)

Bal in/SE out <0.00030 @Output=500mW (32Ω) / <0.00025 @Output=80mW (300Ω)

SE in/Bal out <0.00060 @Output=2000mW (32Ω) / <0.00025 @Output=320mW (300Ω)

Bal in/Bal out <0.00060 @Output=2000mW (32Ω) / <0.00025 @Output=320mW (300Ω)
SNR @MAX OUT 1kHz (A-wt) SE in/SE out 141dB

Bal in/SE out 137dB

SE in/Bal out 145dB

Bal in/Bal out 138dB
Dynamic Range @1kHz (A-wt) SE in/SE out 141dB

Bal in/SE out 137dB

SE in/Bal out 145dB

Bal in/Bal out 138dB
Frequency Response SE in/SE out 20Hz-40kHz (±0.1dB)

Bal in/SE out 20Hz-40kHz (±0.1dB)

SE in/Bal out 20Hz-40kHz (±0.1dB)

Bal in/Bal out 20Hz-40kHz (±0.1dB)
Output Level SE in/SE out 25Vpp

Bal in/SE out 25Vpp

SE in/Bal out 49Vpp

Bal in/Bal out 49Vpp
AP measured noise level @A-wt SE in/SE out <0.7uVrms @G=L / <1.1uVrms @G=H

Bal in/SE out <0.7uVrms @G=L / <1.1uVrms @G=H

SE in/Bal out <1.0uVrms @G=L / <1.8uVrms @G=H

Bal in/Bal out <1.0uVrms @G=L / <1.8uVrms @G=H
Actual noise level* @A-wt SE in/SE out <0.2uVrms @G=L / <0.6uVrms @G=H

Bal in/SE out <0.2uVrms @G=L / <0.6uVrms @G=H

SE in/Bal out <0.7uVrms @G=L / <1.6uVrms G=H

Bal in/Bal out <0.7uVrms @G=L / <1.6uVrms @G=H
Channel Crosstalk @1kHz SE in/SE out -107dB

Bal in/SE out -105dB

SE in/Bal out -116dB

Bal in/Bal out -113dB
Input Sensitivity SE in/SE out 9.1Vrms @G=L / 3.0Vrms @G=H

Bal in/SE out 9.3Vrms @G=L / 3.0Vrms @G=H

SE in/Bal out 9.1Vrms @G=L / 3.0Vrms @G=H

Bal in/Bal out 9.3Vrms @G=L / 3.0Vrms @G=H
Gain SE in/SE out 0dB @G=L / 9.5dB @G=H

Bal in/SE out -0.2dB G=L / 9.3dB @G=H

SE in/Bal out 6.0dB @G=L / 15.5dB @G=H

Bal in/Bal out 5.8dB @G=L / 15.3dB @G=H
Output Impedance SE in/SE out <0.1Ω

Bal in/SE out <0.1Ω

SE in/Bal out <0.2Ω

Bal in/Bal out <0.2Ω
Output Power (SE out) 3300mW x 2 @16Ω THD+N<0.1

2000mW x 2 @32Ω THD+N<0.1

1100mW x 2 @64Ω THD+N<0.1

250mW x 2 @300Ω THD+N<0.1

Output Power (Bal out) 9800mW x 2 @16Ω THD+N<0.1

6700mW x 2 @32Ω THD+N<0.1

4000mW x 2 @64Ω THD+N<0.1

1000mW x 2 @300Ω THD+N<0.1

500mW x 2 @600Ω THD+N<0.1
Load Impedance >8Ω

A90 Discrete Pre-amp specifications

THD+N @1kHz (A-wt) SE in/SE out <0.000055

Bal in/SE out <0.000060

SE in/Bal out <0.000055

Bal in/Bal out <0.000060
THD @20 – 20kHz (90kBW) SE in/SE out <0.00025

Bal in/SE out <0.00025

SE in/Bal out <0.00025

Bal in/Bal out <0.00025
SNR @MAX OUT 1kHz (A-wt) SE in/SE out 141dB

Bal in/SE out 137dB

SE in/Bal out 145dB

Bal in/Bal out 138dB
Dynamic Range @1kHz (A-wt) SE in/SE out 141dB

Bal in/SE out 137dB

SE in/Bal out 145dB

Bal in/Bal out 138dB
Frequency Response SE in/SE out 20Hz-40kHz (±0.1dB)

Bal in/SE out 20Hz-40kHz (±0.1dB)

SE in/Bal out 20Hz-40kHz (±0.1dB)

Bal in/Bal out 20Hz-40kHz (±0.1dB)
Output Level SE in/SE out 25Vpp

Bal in/SE out 25Vpp

SE in/Bal out 49Vpp

Bal in/Bal out 49Vpp
AP measured noise level @A-wt SE in/SE out <0.7uVrms @G=L / <1.1uVrms @G=H

Bal in/SE out <0.7uVrms @G=L / <1.1uVrms @G=H

SE in/Bal out <1.0uVrms @G=L / <1.8uVrms @G=H

Bal in/Bal out <1.0uVrms @G=L / <1.8uVrms @G=H
Actual noise level* @A-wt SE in/SE out <0.2uVrms @G=L / <0.6uVrms @G=H

Bal in/SE out <0.2uVrms @G=L / <0.6uVrms @G=H

SE in/Bal out <0.7uVrms @G=L / <1.6uVrms @G=H

Bal in/Bal out <0.7uVrms @G=L / <1.6uVrms @G=H
Channel Crosstalk @1kHz SE in/SE out -107dB

Bal in/SE out -105dB

SE in/Bal out -116dB

Bal in/Bal out -113dB
Input Sensitivity SE in/SE out 9.1Vrms @G=L / 3.0Vrms @G=H

Bal in/SE out 9.3Vrms @G=L / 3.0Vrms @G=H

SE in/Bal out 9.1Vrms @G=L / 3.0Vrms @G=H

Bal in/Bal out 9.3Vrms @G=L / 3.0Vrms @G=H
Gain SE in/SE out 0dB @G=L / 9.5dB @G=H

Bal in/SE out -0.2dB @G=L / 9.3dB @G=H

SE in/Bal out 6.0dB @G=L / 15.5dB @G=H

Bal in/Bal out 5.8dB @G=L / 15.3dB @G=H
Load Impedance SE in/SE out 20Ω

Bal in/SE out 20Ω

SE in/Bal out 40Ω

Bal in/Bal out 40Ω

*Please Note

Topping have obtained the actual noise level by boosting the noise of the A90 Discrete by 40dB using a low noise amplifier in front of the APx555B then dividing the measured noise by 100 times.

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