The M450SK is the plainest route into a quantum-dot Toshiba at 55 inches: a 4K 60Hz QLED running REGZA Engine ZR, with Dolby Vision, HDR10+ and Dolby Atmos. At this size it suits a bedroom or a compact living room where the TV is mostly for dramas, news and streaming, and it is Hong Kong licensed stock with the local digital tuner built in.
Key features
QLED colour from a direct LED backlight
A quantum-dot layer sits in front of a direct LED backlight. Toshiba Hong Kong rates the 55-inch model at 350 nits typical brightness and at least 85% of DCI-P3, with backlight control and dynamic backlight listed on the spec sheet.
REGZA Engine ZR processing
Toshiba's REGZA Engine ZR handles upscaling and picture tuning. Much Hong Kong viewing is still 1080i broadcast or compressed streaming, so how the set scales lower-resolution sources matters more day to day than headline specs.
Dolby Vision, HDR10+ and Filmmaker Mode
HDR support covers HDR10, HDR10+, Dolby Vision and HLG, so streaming, disc and broadcast HDR are all handled. Filmmaker Mode switches off extra processing for films, keeping the original frame rate and colour.
Dolby Atmos from two 10W speakers
The 55-inch model has a 2 x 10W speaker pair with Dolby Atmos and Dolby Digital decoding. In a bedroom that is usually enough; in a larger living room, a soundbar is a sensible addition later.
Specifications
| Specification | Detail |
|---|---|
| Screen size | 55 inches |
| Panel | QLED quantum dot, direct LED backlight |
| Resolution | 3840 x 2160 (4K UHD) |
| Refresh rate | 60Hz native; smooth motion rate 120 |
| Brightness | 350 nits typical |
| Colour gamut | ≥85% DCI-P3 |
| Picture processing | REGZA Engine ZR |
| HDR | HDR10, HDR10+, Dolby Vision, HLG |
| Gaming | VRR, ALLM, game mode |
| Audio | 2 x 10W, Dolby Atmos, Dolby Digital |
| HDMI | 3 inputs |
| Other inputs | 2 x USB 2.0, AV in, optical audio out, 3.5mm headphone, Ethernet |
| Wireless | Wi-Fi 5 dual band, Bluetooth 5.4 |
| Tuner | Digital terrestrial — receives Hong Kong free-to-air channels natively |
| Dimensions | 1233 x 715 x 72 mm without stand; 1233 x 758 x 273 mm with stand |
| Weight | 9.3 kg with stand; 9.1 kg without stand |
| Energy label | Grade 2 |
Who it's for
- Bedrooms and smaller living rooms where a 55-inch screen is the right fit — check your seating distance with our size calculator.
- Viewers who mostly watch free-to-air TV, dramas and streaming, where 60Hz is all the content uses.
- Buyers who want Dolby Vision and quantum-dot colour without paying for gaming features they will not use.
- Not for console gamers after 120Hz. The panel is 60Hz; the Z570SP and Z670SP have native 144Hz panels.
Warranty and delivery
This is Hong Kong licensed stock carrying the manufacturer's Hong Kong warranty. The exact warranty term is stated on the warranty card supplied with the set. Viewing is available by appointment at our Kwun Tong showroom.
For a 55-inch set, delivery with tabletop installation is HK$300, or delivery with wall mounting is HK$600 with the bracket included. Collection at the Kwun Tong shop is free. Walk-up buildings add HK$100 per floor with no cap. Discovery Bay adds HK$500. Cheung Chau and Lamma are delivered to the Central pier for self-collection, with no installation.
Frequently asked questions
Can the M450SK run a PS5 at 120Hz? No. The panel is 60Hz. Toshiba lists VRR and ALLM, which help at 60Hz, but a 120Hz console signal needs a 120Hz or 144Hz panel such as the Z570SP.
How is it different from the M550NK? The M550NK is the older 2.1-channel model with a built-in subwoofer and Google TV. The M450SK uses the newer REGZA Engine ZR and Bluetooth 5.4, with a two-speaker 2 x 10W layout. Both are 60Hz QLED sets.
Will it receive Hong Kong free-to-air channels? Yes. This is Hong Kong licensed stock with the local digital terrestrial tuner built in, so an aerial is all you need.