Panasonic TX40JX850B

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£599
Buy online/in-store/Telesales
Panasonic TX40JX850B is rated 4.7 out of 5 by 40.
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Panasonic TX40JX850B

40 inch 4K Ultra HD HDR Smart LED TV Freeview Play
£599
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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

Please contact web after sales for more info.
For delivery of in-store only deals, please contact your local store for more details.
Ts&Cs apply - see our delivery page.
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FREE next working day or nominated day delivery when you buy this TV. Simply use voucher code FREEND20 at checkout and select the Next Working Day or Nominated Day delivery option. Offer available from our stores, our telesales team, or online. Offer excludes Clearance, Refurbished and Open Box products. Not in conjunction with any other offer.


Make the most of your TV. View our hottest deals on brackets, racks and TV & projector accessories.


Adapting to whatever you watch, the Panasonic TX-40JX850B maximises your viewing pleasure.

New HCX AI Processor
At the heart of this Panasonic 40 inch TV is an intelligent new processor. Delivering accurate colour, contrast and pin-sharp clarity, the processor works with the panel to produce the best picture – whatever the genre. The AI (Artificial Intelligence) processor detects the content and adjusts the setting to suit. Watch sports, for example and the TV recognises this and selects the best settings for fast-moving action.

HDR Bright Panel Plus for super-sharp images
Once the signal has been analysed by the powerful HCX AI processor, it’s sent to a screen that does it justice – HDR Bright Panel Plus. Using extra-bright LED backlights, this screen goes brighter and therefore enhances contrast, giving superb levels of contrast – even in conditions of high ambient light.

Local Dimming Pro – enhanced contrast
Working in conjunction with the HDR Bright Panel Plus, Local Dimming Pro gives more control over the picture contrast. By being able to dim particular areas of the image, contrast is enhanced, making images look even more natural and lifelike. The processing is so fast and seamless, you’ll notice nothing except an incredible sense of image realism.

Dolby Atmos and Cinema Surround for immersive sound
Compatible with Dolby Atmos sound, this Panasonic TV creates a more immersive, enveloping sound. Fitted with a 20 watt amp, the 40JX850B produces room-filling sound. For even more immersion, select the Cinema Surround setting, or use the HDMI eARC or optical digital output to add a soundbar or base.

HDR10+ Adaptive – ultimate detail in all lighting conditions
HDR10+ Adaptive takes HDR10 and to the next level, making it the ultimate HDR-type picture processor. HDR10+ Adaptive uses light sensors inside the TV to adjust the picture quality for the best contrast. This improves the picture’s brightness, without ‘washing out’ the depth. You get a consistent picture quality, however light or dark your room is.

Multi-format HDR support for a stunning picture from all sources
As well as HDR10+ Adaptive, the TX-40JX850B also offers multi-format HDR, including HDR10+, HDR10, HLG and HLG Photo. HDR10+ offers scene-by-scene HDR mastering for the truest, most accurate HDR picture technology. Each scene is optimised, meaning the maximum amount of detail is shown – even in the brightest or darkest moments.

See the picture exactly as originally intended, with Filmmaker Mode
Featuring exclusive technology from Panasonic, Filmmaker Mode makes the best of any movie. Designed in collaboration with filmmakers and Hollywood studios, Filmmaker Mode lets you experience the cinematic vision, exactly as the director intended. Overriding the TV’s own motion and picture processing, Filmmaker Mode presents the correct aspect ratio, colour and frame rate – just as the filmmakers intended. Panasonic exclusively add Intelligent Sensing to Filmmaker mode, so that the picture reacts intelligently to changes in light, automatically giving you the most cinematic picture possible, whether the room is bright or dark.

Smart TV made easy with HomeScreen 6.0
The latest version of Panasonic’s HomeScreen makes all the smart functions even easier to access. When selecting content from your favourite streaming apps, the system offers thumbnail images, making it easier to find your favourite programme. Support for Google Assistant and Alexa means you can also find content via voice command. The new My Scenery feature offers a selection of background images and videos.

Search, stream and play
When it comes to Smart TV flexibility, the TX40JX850B has all the features you need. As well as the popular streaming apps, the TV also offers a full web browser. DLNA certified streaming makes it easy to transfer music and video files from your home computer, laptop or NAS drive to the TV. Also standard is Swipe and Share functionality. Swipe and share lets you use the Panasonic Remote TV app for smartphone media sharing. By using the app on your smartphone or tablet, you can easily stream pictures, 4K videos and music straight to the TV - no cables required.

Listen with two pairs of headphones, with Dual Bluetooth Connection
New for 2021, Dual Bluetooth Connection lets two of you listen, simultaneously, with wireless Bluetooth headphones. Perfect for immersive listening when the kids have gone to bed, Dual Bluetooth Connection helps keep the action intense, without disturbing others.

For a compact TV with full-size tech, check out the Panasonic TX-40JX850B.

Please note, this Smart TV features third party Apps. These Apps may be modified or withdrawn at any time. There may also be a delay in launching some of the featured Apps. Catch-up TV Apps may vary by region. The function and availability of apps is not covered by the manufacturer’s or Richer Sounds’ guarantee.
Screen
Screen Size
40"
Screen Technology
LED
Picture Quality
LED Backlight
LED - Edge
Local Dimming
Yes
Motion Processing
BMR 1600
Pixel Resolution
3840 x 2160
HDR
Yes
HDR Formats
Dolby Vision, HDR10, HDR10+, HLG
Panel Bit Depth
10 bit (8 + 2 FRC)
Panel Bit Depth
10 (8+2)
Panel Frequency
50Hz
Panel Frequency
50Hz
Display
Screen Resolution
4K Ultra HD
Smart Features
BBC iPlayer
Yes
Full Web Browser
Yes
Netflix 4K Streaming
Yes
Smartphone control
Yes
TV Catch Up
Freeview Play
Voice Activated TV
Yes
Connectivity
ARC - Audio Return Channel
Yes - eARC
Bluetooth
Yes
Digital Audio Output
Yes - Optical
HDMI
3 (HDCP 2.2 - 2)
HDMI 2.0
Yes
Headphone Socket
Yes
USB
2
Wi-Fi
Yes
Tuner
Analogue Tuner
Yes
TV Tuner
Freeview
Audio
Speakers
Yes
Features
USB Recording
Yes
USB Video Playback
Yes
Energy Consumption
Energy Efficiency Rating
G
Power Consumption - Standby
0.3
Energy - kWh/1000h
54
Energy - HDR rating
G
Energy - HDR kWh/1000h
71
Energy - Label Rating
G
Dimensions
Dimensions excluding stand WxHxD
901 x 517 x 63
Dimensions including stand WxHxD
901 x 574 x 236
Maximum Stand Width (mm)
529
Outer Box Dimensions WxHxD
1010 x 661 x 149
Wall Mount Required
VESA - 200 x 200
Weight
Weight (KG)
11/13 (Without/With Stand)
Accessories
Remote Control
Yes
Stand
Yes - Fixed
Rated 5 out of 5 by from Great Customer service as always My Panasonic PANA-TX-40JX850B developed a pixel fault after only a short period (a vertical line of missing pixels down LHS of screen. Richer sounds swapped it no problem and the replacement one seems even better.
Date published: 2021-12-19
Rated 5 out of 5 by from Richer Sounds exceed all expectations Bought this in the Black Friday deal from a well known retailer, two weeks later still not arrived. Rang Richer sounds Watford, had it in stock, matched the price and I had it at home within an hour. TV as expected, decent sound excellent picture, easy to set up , useful features, cant fault it at present only been installed a week. This is where it is excellent. I then saw TV ADVERTISED at costco for £75 pounds less, rang Watford and z speculative call forca price match was honoured almost instantly by Lloyd. Saved myself so much money and got great service support and guidance. Thank Lloyd and thfcteam at Watford branch. Througholy recommend the people there. The TV is excellent quality, expensive for a 40" TV
Date published: 2021-12-15
Rated 5 out of 5 by from Great picture and sound I brought this with humax box, tv sivel bracket & tv wooden stand.
Date published: 2021-12-08
Rated 5 out of 5 by from Great picture sound quality nice size screen I brought it last month great TV without been to dominate in the room great features very happy
Date published: 2021-12-07
Rated 4 out of 5 by from Great service from Richer Sounds The customer service staff were fantastic, along with the delivery guys. I tried to change the delivery address but I couldn’t because I’d chosen to pay interest free instalments which was a shame. Luckily the TV was only going 2 doors down so not a problem.
Date published: 2021-12-07
Rated 5 out of 5 by from All the features we wanted as the old TV only had We needed a larger TV we wanted a 37inch but not available now so got this 40 inch and well pleased we did as it fits nicely and the picture is really good and the Netflix is what we wanted as well. thanks to the staff in RS who advised and we walked out the shop with it same day
Date published: 2021-12-05
Rated 5 out of 5 by from A high quality product. The product is very satisfying to use with impressive features that are easy to access. I am pleased that I bought the item and especially that I used Richer Sounds who provided good advice.
Date published: 2021-12-03
Rated 4 out of 5 by from Just the job. Very good picture and integral sound - no need for a sound bar. Product is smart and generally as described. Only slight minus point is that assembling & attaching the stand is physically tricky for one person on their own and diagrams make sense once you've done it but are not the easiest. I ended up using intuition first and just confirmed that I had done it right afterwards using the paperwork. The Richer Sounds staff were extremely helpful and efficient.
Date published: 2021-12-03
Rated 5 out of 5 by from Jaw dropping service Bought to replace a tv that had stopped working. The Milton Keynes staff were extremely helpful and the whole process was seamless down to delivery which was considered and timely. Faultless.
Date published: 2021-12-02
Rated 5 out of 5 by from Great features A huge improvement on our previous Panasonic. Many programmes are excellent quality and clarity, and the optical audio output is much appreciated
Date published: 2021-12-02
Rated 5 out of 5 by from Lovely tv with clear picture and great sound. I bought this tv in November as an early birthday present - for myself! It’s a huge improvement on the old one. Good picture clarity and choice of viewing.
Date published: 2021-12-02
Rated 5 out of 5 by from A Very Good 40" Television I bought this set a couple of weeks ago via my local branch. I wanted a decent TV not exceeding 43" screen. I like Panasonic products, I use their DVD Recorders, Radios, TV's and even an old VCR. I wanted a dedicated Freeserve TV of modern specification. This 40" TV was recommended by the shop staff and I LIKE IT! The smaller 40" set made it fit better into it's location. Samsung 43" was the second choice, but I preferred the picture quality on the Panasonic. I am extremely pleased with my Panasonic 40" TV. I feel that I have made the correct choice for my needs. Thank You to the Bournemouth Branch for their help and advice.
Date published: 2021-11-26
Rated 5 out of 5 by from A very good decision We needed a TV for a small space, so either 40" or, at a pinch 43". Not much choice at 40" ,but the Panasonic got very good reviews except for some doubt about viewing angles. Paul at Richer Sounds Hull explained the potential problems in enough detail to work out that we would have no problem so we bought. And a very good decision that was. Great picture, adequate sound (better with our sound bar) and very easy to set up. All the connections we could possibly need and then some.
Date published: 2021-11-26
Rated 5 out of 5 by from Panasonic Smart TV We bought this 3 weeks ago and delighted with it. Neat and easy to install.
Date published: 2021-11-25
Rated 5 out of 5 by from Excellent set with every feature that we want Excellent company to deal with. Prices as good as or better than other suppliers that we considered
Date published: 2021-11-24
Rated 5 out of 5 by from Smart TV I decided to replace my tv for one with Freeview Play and other apps. I purchased this Panasonic TV from Richer Sounds as the price was right and it came with a 6 year warranty. The TV was easy to set up, colour and sound is very good.
Date published: 2021-11-23
Rated 4 out of 5 by from TX40JX850B BOUGHT THE UNIT AND IT ARRIVED 23 Hrs LATER. ALL VERY GOOD. HAD PROBLEMS GETTING THE UNIT CONNECTED TO THE INTERNET (THE PREVIOUS PANASONIC WAS NOT A PROBLEM. ) PANASONIC TECH. WERE VERY HELPFUL IN GETTING THIS RESOLVED OVER THE PHONE.
Date published: 2021-10-31
Rated 3 out of 5 by from Picture fades considerably when not viewed face on I’ve had my TV for 3 or 4 weeks and have resisted posting a review until I’ve had a chance to experience it properly and I have a mixed review unfortunately. The TV picture is marvellous face on, but I sat slightly at an angle on a different seat in our living room and couldn’t believe the drop in quality in the colours. When I say I sat at an angle to the TV, it is a slight angle, I’m certainly not looking at the TV edge on!! Just by moving my head to the right while sat in the same position, the colour vividly improves. At a slight angle the colour becomes really insipid. It’s like the difference between a milky and a strong cup of tea. I never experienced this with my previous 8 year old Samsung. I only moved away from Samsung as a protest as I do think their software support has been dire! I can honestly say I’m disappointed with this. Face on the picture is great. I like a documentary and often when a program shows old clips in black and white, the clarity is so good it’s as if the clip had just been made. I watched an old Bond movie from the 70’s and the picture quality was almost too good as it looked too real if that makes sense, so face on its magnificent, but not half as good elsewhere in the room. If your hanging this on the wall in a bedroom I would say it’s perfect, as you would always watch face on, but not perfect for our lounge.
Date published: 2021-10-30
Rated 5 out of 5 by from A great technological step forward A recent purchase, very easy to set up. Excellent picture and sound for slim TV. Size just right for my room without being over bearing. Well pleased!
Date published: 2021-10-28
Rated 5 out of 5 by from Best TV I have ever bought I bought this a month ago and am blown away by the superb picture quality, sound and also the excellent apps. I previously had a state of the art plasma but this is way better so am absolutely delighted.
Date published: 2021-10-22
Rated 4 out of 5 by from Fantastic picture okay sound Very happy with the TV. Picture is excellent, sound is reasonable considering its built in.
Date published: 2021-09-26
Rated 5 out of 5 by from Diligent service, excellent products. I bought a Panasonic 40” and LG 32” TV from Richer sounds for my new kitchen and garden room. Richer sounds were very helpful in choosing the right wall brackets and also a sound bar. The price was very reasonable and it all sounds great! I’m very pleased and would recommend them to anyone.
Date published: 2021-09-12
Rated 5 out of 5 by from Great picture and easy to use. Gregory gave me advice on 29/9202, regarding correct product and ensured I had the correct installers, who installed the tv, as promised. I was unable to register and guarantee the tv, so visited the Bournemouth branch on 10/09/21. Lewis was very helpfull and registered the tv, on my behalf, in store while I was there. Both Gregory and Lewis have been VERY helpfull, and should I need any further advice, I’m sure the help would be forthcoming. Again, many thanks. Jill Benham.
Date published: 2021-09-11
Rated 5 out of 5 by from A product as good as the company that sold it! We expect high end TV sets to be good but often the retailers let the side down. That’s never the case with Richer Sounds. Good professional advice, excellent back up and ready to help.
Date published: 2021-09-10
Rated 4 out of 5 by from Excellent picture with a few minor issues Excellent picture with many options to tweak according to your viewing situation. Picture is best viewed immediately in front of the screen so make sure the set is at eye level, there is a surprising drop off in picture quality (it looks washed out) if you are too far above or below or to the side of the screen. It handles standard definition well, it brings a deeper level of blacks than you might expect for low quality footage. High definition pictures look excellent with great sharpness, depth and clarity. UHD footage is excellent also (my first experience of 4K, not the big step up that SD is to HD but UHD is noticeably better). Speakers are average at best, to be expected I guess, but Panasonic should be ashamed that they won't put more effort in to making better quality speakers. The sound is a little hollow and bassy but with a few adjustments can be improved slightly. Although not listed in any of the marketing material there is an Eco Viewing option which reduces the brightness with a simple access to the option as well as manuel Backlight options as well, although I was disappointed that on the lowest settings it is still not as dark as my previous TV but still alot darker than the standard setting so good for night viewing. Apps work great as well. Recommended for sure, just a shame that a few small issues let it down slightly but ultimately won't lead to any big issues or a regretted decision to buy.
Date published: 2021-08-21
Rated 5 out of 5 by from Exceptional at this size Bought this for a smaller room and the space allocated meant that only a 40 inch TV would do. That immediately restricted me to Panasonic of the major manufacturers. I'm impressed with what they've done including the 4K and Dolby Atmos. Sleek and easy to set up. Panasonic's app range is not as impressive as some others, I will note. However, this is not an issue for me as it's hooked up to Sky Q. All in all, for the size, I'm very pleased.
Date published: 2021-08-20
Rated 4 out of 5 by from Big improvement on replaced model Early days but beginning to master confusing controls
Date published: 2021-08-15
Rated 4 out of 5 by from Good product and knowledgeable helpful staff Arranged to buy and paid for a Samsung TV but then a couple of days later, at the last minute, I had to change the TV to a Panasonic. This presented no problem to the staff at Lichfield Richer Sounds who immediately ordered the new TV for me and which I took delivery of a few days later. They also recommended an excellent local installer so I am now impressed with not just a great TV but also the overall service provided.
Date published: 2021-08-13
Rated 3 out of 5 by from Support local retailer Bought two of the same branded Smart TV’s in August along with a sound bar I am delighted with TV’s but sound bar is underwhelming
Date published: 2021-08-09
Rated 5 out of 5 by from Well worth the money Great service. And first class delivery. Would recommend you every time
Date published: 2021-07-16
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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. 19.9% interest. A one-off settlement fee of £29 will be applied. Subject to application, financial circumstances and borrowing history. Ts&Cs apply. Richer Sounds Limited acts as a credit broker and not the lender. Barclays Partner Finance acts as the lender. Find out more information and eligibility criteria here.