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Adcom GIA-275 Integrated Amplifier
$795.00
Product Details
Adcom GIA-275 Integrated Amplifier
GIA-275 Integrated Stereo DAC / amplifier supports analog, digital, USB, Bluetooth Input, and features a digital to analog converter. The GIA-275 is a high performance, integrated and compact system designed to let you to play music from your Bluetooth enabled portable devices, play 24 bit/192kHz high resolution audio from your Apple MAC or Windows systems, connect your flat screen TV through a digital connection or use your legacy analog devices such as a CD player. The GIA-275 is an all-in-one, high-end integrated amplifier that fully supports Bluetooth V4, A2DP and aptX to produce CD quality sound through a wireless connection.
Sound
Our integrated amp with Bluetooth is the new generation all-in-one amplifier, combining both amplifier and pre-amp in one. The sound quality of our GIA-275 is remarkable. You’ll get grand sound quality in a small package. Lightweight but heavy power is what we are dealing with here. The GIA-275 has a very high quality converter, which can convert your high resolution digital recording into high quality sound of 24bit/192kHz, through your speakers.
Connectivity
We opt for going wireless with our Bluetooth connection. Play music from your phone/tablet/laptop etc., with hassle free installation. Connect your device with GIA-275 via Bluetooth and enjoy music with click of a button. If you want to connect your speakers, we have a provision for adding your aux to our integrated stereo amp with Bluetooth. You can also play high resolution files from your computer by downloading them on a USB device. Our integrated amp has a USB slot which can play all high resolution digital files through your USB connected to speakers or via Bluetooth on any device.
Compact in scale. Expansive in sound.
The Adcom GIA-275 is an integrated amplifier designed for modern systems, combining power, precision, and versatility in a clean, understated form. Delivering 75 watts per channel into 8 ohms and 125 watts into 4 ohms, it provides confident control and dynamic headroom that brings music to life with ease.
At its core, the GIA-275 is built to simplify without compromise. With both analog and digital inputs, a built-in Wolfson WM8740 DAC, Bluetooth aptX, and USB audio, it connects seamlessly to everything from traditional sources to TVs and streamers — acting as the central hub of a refined, contemporary system.
Sonically, it strikes a compelling balance between clarity and musicality. Bass is tight and well-defined, the midrange remains open and expressive, and the top end carries a smooth, natural extension. The result is a sound that feels composed, engaging, and consistently immersive.
Its compact footprint makes it an ideal choice for smaller spaces, secondary systems, or minimalist setups — without sacrificing the authority and presence expected from a serious amplifier.
Key Features
- 75 watts per channel (8Ω) / 125 watts per channel (4Ω)
- Built-in Wolfson WM8740 DAC for high-quality digital playback
- Bluetooth v4.0 with aptX (CD-quality wireless) & external antenna
- USB Audio 2.0 — compatible with Windows XP/Vista/7/8 & Apple; software upgradeable via mini USB
- Dual analog inputs (AUX 1 & AUX 2)
- 2× Digital Coaxial & 2× Digital Optical Inputs/Outputs
- Compact design — fits effortlessly into modern living spaces
- Standby power <½ watt for energy efficiency
- Compatible with 120VAC & 230VAC / 50–60Hz
Technical Specifications
| Specification | Value |
|---|---|
| Output Power (8Ω) | 80W per channel, 20Hz–20kHz |
| Output Power (4Ω) | 120W per channel, 20Hz–20kHz |
| THD + Noise (80W / 8Ω) | <0.7% |
| THD + Noise (120W / 4Ω) | <0.7% |
| Frequency Response | +0 / –0.55dB, 10Hz–20kHz @ 1W into 8Ω |
| DAC Chip | Wolfson WM8740 |
| Bluetooth | v4.0, aptX (CD quality), external antenna |
| USB | USB Audio 2.0 — Windows & Apple compatible |
| Analog Inputs | AUX 1, AUX 2 |
| Digital Inputs | 2× Coaxial, 2× Optical, 1× USB |
| Digital Outputs | 2× Coaxial, 2× Optical |
| Standby Power | <½ watt |
| Dimensions (W × D × H) | 11.8" × 13.7" × 7.8" (30 × 35 × 20 cm) |
| Weight | 6 lbs (2.7 kg) |
| Shipping Weight | 8 lbs (3.6 kg) |
| Power Supply | 120VAC & 230VAC / 50–60Hz |
Available at Vinyl Sound — Buffalo, NY USA
Frequently Asked Questions
What is the Adcom GIA-275?
The Adcom GIA-275 is a compact integrated amplifier and DAC from Adcom, USA, delivering 80 watts per channel into 8 ohms and 120 watts per channel into 4 ohms. It integrates a Wolfson WM8740 DAC supporting up to 192kHz/24-bit and DSD playback via USB, Bluetooth v4.0 with aptX, two coaxial and two optical digital inputs, two analog RCA inputs, digital outputs, and a front-panel headphone jack — all in a single black anodized aluminum chassis. The GIA-275 is available at Vinyl Sound in Buffalo, NY as an authorized Adcom dealer.
How does the Adcom GIA-275 compare to the NAD D 3045, Cambridge Audio CXA61, and Marantz PM6007?
The GIA-275 occupies a distinct position in the compact integrated amplifier category. The NAD D 3045 uses a Class D amplifier module rated at 60W into 8 ohms and includes BluOS network streaming with aptX HD Bluetooth — more powerful wireless functionality, but at a higher price with a different sonic character. The Cambridge Audio CXA61 delivers 60W into 8 ohms in a Class A/B design with Bluetooth aptX and a built-in ESS Sabre DAC, and is widely praised for its musicality; the GIA-275 offers more output power (80W vs 60W) and DSD support. The Marantz PM6007 at 45W per channel is a dedicated analog integrated amplifier without digital inputs or Bluetooth, making it the stronger choice for purely analog systems but less versatile than the GIA-275 for mixed digital and wireless setups. For Buffalo and Western New York listeners, Vinyl Sound carries the GIA-275 as an authorized Adcom dealer.
Does the Adcom GIA-275 support DSD playback?
Yes. Via the USB input, the GIA-275 supports DSD-DSF and DFF file formats in addition to high-resolution PCM up to 192kHz and 24-bit, as well as FLAC, WAV, MP3, and other common audio formats. This makes it compatible with high-resolution download libraries and DSD music sources accessed from a connected Mac or Windows computer. DSD playback is available via USB only; the coaxial and optical digital inputs support standard PCM up to their rated resolution.
What Bluetooth codecs does the GIA-275 support and how stable is the wireless connection?
The GIA-275 supports Bluetooth v4.0 with A2DP profile and aptX codec, delivering CD-quality wireless audio when paired with any aptX-compatible source device. When connected to a non-aptX source, the standard A2DP stream is used at somewhat lower compression efficiency. The included external antenna is a meaningful advantage over integrated Bluetooth implementations — it significantly extends the stable reception range and reduces dropout risk from walls, interference, or distance, making the GIA-275 a reliable wireless receiver in real-room installations rather than just proximity use.
Can the Adcom GIA-275 be used to connect a flat-screen TV?
Yes. The GIA-275 accepts any standard digital audio output from a TV — including optical Toslink and coaxial S/PDIF, which are the two digital output types available on most modern flat-screen televisions. Connect the TV's optical or coaxial digital audio output to any of the GIA-275's matching digital inputs and the Wolfson DAC will handle conversion, delivering the TV's audio through your speakers at full quality. This makes the GIA-275 a clean and capable solution for TV-based listening rooms that also serve as dedicated two-channel music systems.
Is the Adcom GIA-275 suitable for a desktop or bedroom system?
Yes. At 11.8 inches wide and 7.8 inches tall, with a weight of just 6 lbs., the GIA-275 is among the most compact full-featured integrated amplifiers available. Its combination of 80W per channel, a built-in DAC, Bluetooth with external antenna, a front-panel headphone output, and sub-half-watt standby power consumption makes it well suited to desktop, bedroom, and secondary system environments where a full rack-width component would be impractical. It is equally at home paired with compact bookshelf loudspeakers or used as the heart of a space-conscious dedicated listening setup.
Where can I buy the Adcom GIA-275 in Buffalo or Western New York?
The Adcom GIA-275 is available at Vinyl Sound, an authorized Adcom dealer located in Buffalo, NY. Vinyl Sound serves the Buffalo metro area and greater Western New York region with expert guidance on integrated amplifier selection, source matching, and system setup. Visit vinylsound.com or stop in to experience the GIA-275 firsthand.
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