HiFi Rose RA280 Integrated Amplifier

Class AD Amplifier with Next-Generation GaN FET

The HiFi Rose RA280 features a Class AD amplifier technology that uses GaN (gallium nitride) FET to produce high-quality sound that goes beyond the limitations of regular class D amplifiers. This technology provides the same efficiency and power as class D amplifiers, while also reducing power consumption and delivering detailed sound quality through high-power amplification. The GaN FET ensures linear output, which results in a smooth and natural sound quality that's similar to an analog amplifier.

High-Efficiency Power Supply

The power supply circuit of RA280 has been developed by HiFi Rose using silicon carbide FET instead of conventional silicon FET. This innovative design provides both efficiency and stability, allowing RA280 to maintain stable high output while minimizing heat generation. The silicon carbide FET features higher power efficiency and lower heat generation, resulting in the best sound quality. Additionally, the RA280 is equipped with a 2.5kW PFC circuit and a super capacitor, ensuring excellent performance even under load and providing stability and reliability.

Phono Amplifier that Supports Moving Magnet

The phono amp of RA280 supports moving magnet cartridge input with a simple switch selection. This amplifies very weak audio signals without any colouration, resulting in the best sound quality. With HiFi Rose's high-precision compensation circuit, it delivers audio signals close to the original sound and perfectly implements essential functions for high-quality music playback. Users can activate this feature by simply selecting a switch, allowing them to enjoy richer, more vivid sound.

Two Completely Separated Mono Amplifier Modules

The RA280 is equipped with two separate amplifier modules that function like a mono amplifier, supporting 250W (4Ω and 8Ω) for the left and right amplifiers respectively, resulting in a 500W output on a stereo channel. HiFi Rose has designed a two-stage analog filter technology to enhance the frequency response characteristics and reduce the noise caused by switching of class D amplifiers. This technology provides clean and articulate sound quality, allowing you to experience evolved sound with an analog feel. With this cutting-edge technology, RA280 delivers the best sound quality that will surely elevate your music listening experience.

Balance Control for Bass and Treble

By default, the output trend of RA280 is flat and comes equipped with a tone control function that allows for ±15dB adjustment of bass (100Hz) and treble (10kHz). Unlike passive (CR) tone control circuits, the tone control circuit of RA280 is equipped with a high-fidelity active EQ (OP-AMP: 12dB Slope) that features a gentle 6dB slope. This advanced circuitry ensures that the sound quality remains high fidelity even when tone adjustments are made. With this function, users can adjust the bass and treble to their liking, allowing them to enjoy their music with the desired sound signature.

EISA Integrated Amplifier 2024-2025

"Since its arrival on the hi-fi scene in 2017, HiFi Rose has seduced audiophiles with a range of products that combine high-quality engineering and performance with a unique sense of style. The RA280 analogue integrated amplifier is no exception, its elegant casework with tactile front-panel controls (and VU meters) concealing an innovative GaN FET-based Class D amp stage that comfortably outperforms its 2x250W specification. In use, via either its balanced line input or moving-magnet phono stage, the RA280 dazzles with detailed, airy stereo imaging and a dynamic, exciting sound that’ll have you cranking up its illuminated volume dial. HiFi Rose’s amplifier punches far above its price tag."

86/100 Hi-Fi News - "More sober than the ‘steampunk’ styled RA180, and more powerful too, the new RA280 takes HiFi Rose’s GaN FET-based Class D architecture into the audiophile zone"

"The RA280 is an affordable and more straightforward alternative to the eccentric RA180. It boasts greater power without sacrificing refinement which, like its exceptional build quality, sets a high bar at this price point. Balanced, detailed, and with pinsharp imaging – but with careful speaker pairing a priority – the RA280 is a great choice for music enthusiasts seeking a closer connection to their collection." Read Full Review

9/10 AV Forums - "HiFi Rose's wholly unique approach to audio is far more than bluster; it's really beginning to impress."

"I wasn’t completely sure what to expect when I unboxed the RA280. I imagined it would be a competent enough device but I genuinely wasn’t expecting what actually resulted. This is a device that charms and delights from the get go. Behind the unique but actually very usable design is a combination of enormous headroom and beguiling presentation that appealed from the outset and only became more engaging the more I used it. This is far more than a partner to the Rose streamers. For anyone with their digital sources sorted, this is a beautifully realised take on a three grand amplifier and one that comes Highly Recommended." Read Full Review

We endeavour to despatch same day for orders placed up to 1pm on available stock items (items with stock message "Usually dispatched within 24 hours"). Please remember to check with us first for a physical stock check if next day delivery is important to you. Any items with stock message "Usually dispatched within 72 hours" are items that we do not hold in stock but order in from the importer or manufacturer as soon as a customer order is received. Occasionally these may be delayed beyond 72 hours due to importer/manufacturer stock levels but we will inform you as soon as we can if this is the case.

UK Orders

We despatch the bulk of our UK mainland items on a 24 hour service – Free of Charge.  Non Mainland locations - Isle of Man, Isle of Wight, the Scilly Isles, the Scottish highlands and Islands, the Channel Islands and Northern Ireland may take a day or so longer and are not Free of Charge. Smaller items are delivered using Royal Mail 24 or special delivery. Larger items are delivered using a courier service such as DPD or UPS.

International Orders:

Due to the nature of our products and brand restrictions we are only able to send certain items internationally. Smaller items are delivered using Royal Mail Small Packets Airmail with International Tracked and/or Signed depending on value of item and availability of the service. Larger International shipments are sent by insured and tracked services using UPS. If there are any delays due to specific customs regulations, etc, you will be contacted by Hifisound or by the courier with a request for any further information required. Customs duties can apply for shipments to any countries outside of the UK depending on where the product you have bought is made. Customers are responsible for all taxes and duties incurred when the items enter their country.

Collect in Store or Home Install

At the request of the manufacturer some items cannot be supplied by mail order but you can click and buy them and then elect to collect them from our store or arrange a home install (if applicable). Applicable items clearly state that they are Collect in store or home install. Once ordered you will receive a message prompting you to contact us by phone or email to arrange for us to deliver and install or to reserve and collect from our store at your convenience, you will also be advised of the delivery time / stock availability as not all Home install / collect in store items are held in stock.