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With this set - consisting of the WR 250 DSP Wi-Fi receiver and 2x QB 300 WL wall speakers - every room is transformed into an impressive experience zone. Listen to music from many apps from devices such as smartphones, tablets, laptops, and computers in excellent Hi-Fi sound quality on the high-quality and powerful QB300 WL design speakers using the Bluetooth/(W)LAN receiver WR250 DSP. The WR 250 DSP includes a 2x50W stereo amplifier with an integrated DSP (Digital Signal Processor) and can be easily hidden, e.g., behind a plaster ceiling, due to its small size. The QB 300 WL speakers from WHD stand for the highest sound enjoyment in the best quality: very high-quality, compact, and modern high-end speakers in an aluminum design that guarantee the best possible sound.

The WR 250 DSP receives music, for example, from a smartphone or tablet via the WHD Multiroom Player App (Link to video) or via any music apps via AirPlay*, DLNA, or UPnP, and plays it back through the connected speakers. The music streaming receiver can be operated via the Ethernet port, Wi-Fi, and also Bluetooth. Connect the two included QB 300 WL surface-mounted speakers, mounted on the wall, to the WR 250 DSP via speaker cable and hide the audio receiver in cavities such as ceilings, walls, furniture, behind mirrors, cabinets, and counters. As soon as the connected 24V 5A power supply receives power, music streaming can begin. An external sound source such as a CD player can also be connected to the line-in.
Due to the many music providers in audio streaming, you get the ideal music for every business to enhance the stay of customers and guests. In boutiques, experience stores or gourmet shops, customers are inspired to make purchases due to the feel-good atmosphere and may stay longer in the store. With a stylish and high-quality sound system in receptions, wellness areas, beauty salons and much more, the customer feels valued and well looked after, so that they can enjoy themselves to the fullest. The acoustic experience can contribute to inviting repeat visits and recommendations.
WHD designs its speakers as meticulously as a chef plans their Michelin-starred menu. The result: pure high-end enjoyment that elevates these 2-way speakers to new spheres. The characteristic result produces ideal sound even in the deepest frequency spectrum. Thanks to bass reflex, the QB 300 WL offers precise and soft bass for its size, even in unusually deep regions. The harmoniously rounded 4-inch long-throw woofers and fabric dome tweeters guarantee remarkably clear and clean sound reproduction. With only 30 watts of power, you get a first-class, superb, and intense sound thanks to the perfect tuning of the design with the acoustics and the harmonious dispersion behavior. Enjoy the warm and rich high-end sound at any volume!
A proprietary algorithm has been developed for the DSP chip, which dynamically adjusts the sound in the loudspeaker. This technology, WHD Adaptive Sound Plus, ensures, among other things, that the listener experiences high-quality sound even at low volumes. 3 presets can be selected: Neutral, Loudness, Extra Bass.
The two Hi-Fi loudspeakers not only boast exceptional and intense sound quality but also feature a timeless and elegant design. Thanks to its minimalist design, the QB 300 WL seamlessly integrates into any environment, fitting all interior styles – whether modern or rustic. The special finish gives the compact loudspeaker a slightly rough surface, providing tactile feedback with every touch.
Whether it's an exclusively furnished establishment in a residential building, guesthouse, hotel, or a practice – the compact loudspeaker makes a design contribution with its high-quality, discreet, and elegant design. The very best part – it also offers an ultimate sound experience that will amaze you and everyone else.
Using our free WHD Multiroom Player APP, you can also select music from Deezer* and the integrated internet radio. Thanks to the MemoRadio function, your station playlist with your favorite stations is immediately on air after switching on the WR250 receiver, without the need for a smartphone or tablet.
An optionally available KNX gateway can control the WR250 and other WHD (W)LAN devices – such as the WR 55, WR 205, the Qube (XL), and the AirBridge Pro. For example, you can select an internet radio station via KNX, which is played directly by the WLAN module. No smartphone or tablet is required for this. Furthermore, the volume can be controlled and the module can be switched off via KNX.
As an extension, you can set up a multiroom system by using other WHD (W)LAN devices in the vicinity. All devices such as the WR 250 DSP can be controlled via our free Multiroom Player APP.
Listen to your favorite music in first-class Hi-Fi sound quality on our timeless and elegant passive speaker QB 300 WL in no time. Experience a soothing atmosphere in every situation and in every room. Let the sound of our Hi-Fi speakers set the mood for your day and experience your everyday life highly motivated with good music. Whether with music in the background while working or at the end of the day - you can relax and review the day with joy.
If you value high-quality and beautiful furnishings in your business and also want to offer your customers/guests and patients an impressive sound experience with a feel-good effect, then our QB300 HiFi set is ideal for you. Music not only relaxes and motivates, but also invites you to linger and enjoy. The QB 300 WL is also suitable for mounting on busbars.
✓ Design: Audio receiver with two high-end loudspeakers in aluminium look
✓ Expandable:
✓ Flexible:
✓ Simple:
Creation of individual playlists based on titles and internet radio stations as well as MemoRadio - starts radio stations on demand when switched on -
✓ Colour variant:
✓ Suitable for the following applications:
Scope of delivery:
Matching accessories/extensions
Data sheet: QB 300 WL - Download (DE), QB 300 WL - Download (EN)
Operating instructions: QB 300 WL - Download (DE/EN), WR 250 DSP - Download (DE/EN)
Using Spotify with WHD WLAN Audio System: Video
*Airplay - registered trademark of APPLE
*Deezer - selection only possible if a customer has a subscription
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