Cambridge Audio CXA81

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£899
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Cambridge Audio CXA81 is rated 4.9 out of 5 by 282.
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Cambridge Audio CXA81

Stereo Amplifier
VIP Club member price £799
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Non-member price £899

£899
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Disabled assistance

All products that are available to purchase on the Richer Sounds website can be delivered free to blind, partially sighted or those with a disability. Find out more

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”More than justifies the outlay once more.” ’What Hi-Fi?’ 2022 Product of the Year.

The amp that does it all

Engineered to the highest standards, the CXA81 delivers class-leading sound quality. The 80 watt amp is powerful enough for the largest rooms and the most power-hungry speakers. A built-in ESS DAC (Digital to Analogue Convertor) means you get the best from your digital, as well as analogue sources. Thanks to standard Bluetooth, you can now stream music in top quality aptX HD. All this, plus the Lunar Grey CXA81 looks more stylish than ever.

Powerful sound from the toroidal transformer
Powerful sound begins with the power supply, which is why Cambridge Audio use an audiophile quality, toroidal transformer. Renowned for their low noise, high efficiency and superior sound quality, the over-sized transformer gives the CXA81 a powerful, dynamic sound and a hefty 80W per channel power output - enough for ‘party level’ sound in even the largest domestic spaces.

Digital inputs with top spec DAC for detail
Featuring a reference standard ESS Sabre ES9016K2M DAC, the CXA81 works wonders with your digital audio and video sources. With two optical digital inputs and one coaxial, you can connect up to three digital sources, such as a games console, TV and a CD transport – the Cambridge Audio CXC makes the perfect match.

Bluetooth as standard
Now a standard fitment, Bluetooth offers simple, wireless music streaming from your mobile, tablet or laptop. Stream stored music or popular music streaming services such as Spotify, Tidal and Apple Music. The Bluetooth receiver is compatible with aptX HD, giving the highest quality sound possible from Bluetooth, right up to 24bit/48kHz. You also get the benefit of the sound passing through the ESS Sabre DAC, meaning precise, detailed sound from all your streamed music.

The best from USB audio, with Hi-Res sound
If you enjoy Hi-Res sound, you’ll love the CXA81. Using an asynchronous USB socket at the rear, you can connect up to your laptop, PC or server and stream Hi-Res music, right up to studio-quality 32bit/384kHz and DSD256. As well as improving the sound over your computer’s soundcard, the asynchronous ‘direct control’ link also greatly reduces jitter, for lower distortion and more precise audio.

Professional connection
More usually found on 'reference' hi-fi and professional equipment, the CXA81 boasts balanced XLR inputs. When connected to a suitable source, this gives a fully balanced, hot/cold, connection for the ultimate analogue signal quality.

All for analogue
The Cambridge CXA81 has four line level inputs - enough for all your analogue sources. A pre-amp output is also fitted – ideal for power amp upgrades. Other handy connections include an RCA subwoofer output, headphone socket and connections for two pairs of speakers.

Connected for installs
A wide range of control sockets make the CXA81 ideal as part of a more complex home installation. RS-232C, IR input, trigger in/out sockets and Control Bus RCA phonos mean the CXA81 is more than happy to work with a wide range home automation control systems.

Vibration resistant casing
With rigid, metal construction and low-resonance design, the casing helps shield the player from both mechanical and electrical interference, helping to improve clarity and reduce background noise. Isolating feet help adsorb vibration for a further reduction in distortion.

Sleek new finish
The CXA81 is part of the refreshed CX-Series 2. The distinctive tear-drop profile gives the CXA81 a contemporary look and makes it the ideal partner for the CXC CD transport, CXN V2 network player. The Lunar Grey front panel contrasts with the black top and sides and blends well with both black and silver separates.

Complete versatility meets the finest sound, with the Cambridge Audio CXA81.
Connectivity
Analogue RCA Inputs
4
Audio Outputs
Yes - Combined with pre-output
Bluetooth
Yes
Coaxial Digital Inputs
1
Headphone Output
Yes
Optical Digital Inputs
2
Pre Output
Yes
Speaker Sets
2
Speaker Sets FILTER
x 2
Sub Output
Yes
Sub Output
Yes
USB Input
Yes (1)
XLR Inputs
Yes
General
Manufacturer's Warranty
2 years
Audio
Frequency Response (Hz)
5 - 60,000
High Resolution Audio
Yes
Power Output
80 x 2
Power Output - Watts per CH
60 - 99
Energy Consumption
Power Consumption - Normal Use (W)
750
Power Consumption - Standby
0.5
Dimensions
Dimensions WxHxD (mm)
430 x 115 x 341
Weight
Weight (KG)
8.7
Accessories
Remote Control
Yes
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Fantastic speaker savings when bought with this amplifier, call your local store or our telesales team, now!
Rated 5 out of 5 by from Good product service lacked technology detail Product is great but service wasn't up to scratch.
Date published: 2024-03-09
Rated 5 out of 5 by from Very pleased. All reviews are correct. Fantastic. Unfortunately failed after a couple of months use.  However replaced immediately. I have just picked up the new one
Date published: 2024-02-14
Rated 5 out of 5 by from Cambridge Audio CXA81 Bought this along with the cd transport from Richer Sounds in Reading,the service from Kieran was second to none,was given as long as I wanted in the demo room under absolutely no obligation,there was no pressure to buy.The two units together sound fantastic,I am hearing things I never heard before.Thanks to both the shop and Kieran,will be going back when I can afford to buy better speakers
Date published: 2024-01-14
Rated 5 out of 5 by from CXA81 Amplifier High quality sound - bright and clear. The wide stereo soundscape is particularly impressive. Easy to set up and use. High-end performance at a very reasonable price.
Date published: 2024-01-10
Rated 5 out of 5 by from Great Service as Always RS are always great ! On Time and great Prices. Upgrade whole HT setup - happy with Service
Date published: 2024-01-10
Rated 5 out of 5 by from Great sound Got this for Christmas. Very happy with it. Great product.
Date published: 2024-01-06
Rated 5 out of 5 by from Great amp but no tape 2 loop or rec out facility. Good balanced detailed sound. However I was advised by RS that I could use the pre amp output to connect to a recording device as it is a line level output. This is not correct as the preamp output depends on the setting of the volume control. There is no equivalent tape 2 loop facility as such. This is the only drawback. Other users may not require this facility.
Date published: 2024-01-02
Rated 5 out of 5 by from Lovely Jubbly It is Christmas morning & like a kid in a sweetshop! Ac/Dc has been rocking away very nicely indeed. Bon Scott sounds even better now! Must thank my better half so much! But thank you too Cambridge Audio, you got me sold on this CXA81 my previous was a 640A pre amp. Loved it 2 bits also.. I am so lucky to have a partner like I do!
Date published: 2023-12-25
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6 Year Guarantee

£89.85 - Fully refundable if unused.

Add our 6 Year Guarantee to your basket when you check out. We'll cover your items for 6 years
and give you your money back if unused.

Fully refundable if unused

6 Year Guarantee costs just £9.99 on all items under £100, or 10% of purchase
price on anything over £100.

We think you'll agree our 6 Year Guarantee offers fantastic value. What's more, if you don't use it
in the 6-year period, we'll refund the cost of it. You really can't say fairer than that!

Plus, if we can't fix a fault, we will give you a replacement.

Find out full details here.


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  • Purchase rate 21.9% p.a. (variable)
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Buy now, pay later available in-store or by phone, on most items over £500 *exclusions apply

We offer 6 and 10-month options.

Call your local store or our telesales team for details

For purchases over £500, you can settle the balance in 6 months, and in 10 months on purchases over £1000 and pay no interest whatsoever. If you settle part of your loan in the deferral period you won’t pay interest on that part. You can still pay off the loan sooner if you make additional payments. If you’d rather spread the cost over 36 months, you can set up a loan repayment plan when the payment-free period comes to an end at 19.9% APR representative. Subject to application, financial circumstances and borrowing history. Ts&Cs apply. Richer Sounds Limited acts as a credit broker and not the lender. Creation Consumer Finance Limited acts as the lender. Find out more information and eligibility criteria here.