SKU: 10884669371

Adcom GIA-275 Integrated Amplifier

Sale price$499.05 Regular price$554.50
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Description

Adcom GIA-275 Integrated AmplifierAdcom GIA 275 Integrated Amplifier at Vinyl Sound Toronto Canada The Adcom GIA 275 is a compact integrated amplifier designed for modern systems, combining power amplification, preamplification, a built in Wolfson WM8740 DAC, Bluetooth aptX, and USB audio in a single, understated unit. Delivering 80 watts per channel into 8 ohms and 120 watts into 4 ohms, it connects seamlessly to analog sources, digital sources, flat screen TVs, and Bluetooth enabled

Adcom GIA-275 Integrated Amplifier at Vinyl Sound Toronto Canada

The Adcom GIA-275 is a compact integrated amplifier designed for modern systems, combining power amplification, preamplification, a built-in Wolfson WM8740 DAC, Bluetooth aptX, and USB audio in a single, understated unit. Delivering 80 watts per channel into 8 ohms and 120 watts into 4 ohms, it connects seamlessly to analog sources, digital sources, flat-screen TVs, and Bluetooth-enabled devices. Available at Vinyl Sound in Toronto, Canada.

Wolfson DAC and High-Resolution Digital Audio

At the core of the GIA-275's digital performance is a Wolfson WM8740 DAC, capable of converting digital recordings at up to 24-bit / 192kHz resolution. USB Audio 2.0 support enables direct connection to Windows (XP, Vista, 7, 8) and Apple Mac computers, with driver software provided for Windows 32-bit and 64-bit systems. The firmware is field-upgradeable via mini USB, ensuring the GIA-275 can be updated as audio standards evolve. Two digital coaxial and two digital optical inputs allow connection to CD transports, flat-screen TVs, and other digital sources with no signal compromise.

Bluetooth and Analog Connectivity

Bluetooth v4.0 with aptX and an external antenna enables CD-quality wireless streaming from smartphones, tablets, and laptops with minimal setup. For traditional analog sources, two AUX inputs accommodate CD players, turntables with external phono stages, and other line-level components. Digital coaxial and optical outputs allow the GIA-275 to serve as a digital hub, passing signals to external DACs or recording devices. The result is a single component capable of replacing a preamplifier, DAC, Bluetooth receiver, and power amplifier in a compact, straightforward package.

Key Features

  • 80W per channel into 8 ohms / 120W per channel into 4 ohms for confident control and dynamic headroom
  • Built-in Wolfson WM8740 DAC for high-quality digital-to-analog conversion up to 24-bit / 192kHz
  • Bluetooth v4.0 with aptX for CD-quality wireless streaming, with external antenna for robust connection
  • USB Audio 2.0 compatible with Windows XP/Vista/7/8 and Apple Mac; firmware upgradeable via mini USB
  • 2x Digital Coaxial and 2x Digital Optical inputs and outputs for flexible digital system integration
  • Dual analog inputs (AUX 1 and AUX 2) for CD players and other line-level sources
  • Standby power under 0.5 watts for energy efficiency
  • Compact footprint suited to smaller spaces, secondary systems, and minimalist setups
  • Dual voltage compatible at 120VAC and 230VAC / 50-60Hz

Technical Specifications

Specification Value
Output Power — 8 Ohms 80W per channel, 20Hz–20kHz
Output Power — 4 Ohms 120W per channel, 20Hz–20kHz
THD + Noise (80W into 8 ohms) Less than 0.7%
THD + Noise (120W into 4 ohms) Less than 0.7%
Frequency Response +0 / -0.55dB, 10Hz to 20kHz (1W into 8 ohms)
DAC Chip Wolfson WM8740
DAC Resolution 24-bit / 192kHz
Bluetooth v4.0 with aptX (CD quality), external antenna
USB USB Audio 2.0 — Windows XP/Vista/7/8 and Apple Mac compatible
Analog Inputs AUX 1, AUX 2
Digital Inputs 2x Coaxial, 2x Optical, 1x USB
Digital Outputs 2x Coaxial, 2x Optical
Standby Power Less than 0.5 watts
Power Supply 120VAC and 230VAC / 50-60Hz
Dimensions (W x D x H) 11.8" x 13.7" x 7.8" (30 x 35 x 20 cm)
Weight 6 lbs. (2.7 kg)
Shipping Weight 8 lbs. (3.6 kg)

Frequently Asked Questions

What is the Adcom GIA-275?

The Adcom GIA-275 is a compact integrated amplifier combining an 80-watt-per-channel stereo power amplifier, preamplifier, Wolfson WM8740 DAC, Bluetooth v4.0 with aptX, and USB Audio 2.0 in a single unit. It accepts analog, digital coaxial, digital optical, USB, and Bluetooth inputs, making it a complete audio system hub for both traditional and modern sources. It is available at Vinyl Sound in Toronto, Canada.

What is the power output of the Adcom GIA-275?

The GIA-275 delivers 80 watts per channel into 8 ohms and 120 watts per channel into 4 ohms, both measured across the full 20Hz to 20kHz audio band. This output level provides confident dynamic headroom for a wide range of loudspeakers in small to medium-sized rooms, with sufficient reserve for transient peaks in complex musical passages.

What DAC does the GIA-275 use and what resolution does it support?

The GIA-275 uses a Wolfson WM8740 DAC, capable of processing digital audio at up to 24-bit / 192kHz resolution via USB from a connected Mac or Windows computer. This allows the GIA-275 to serve as a high-resolution USB DAC for computer-based audio playback without requiring an external converter, and to accept up to 192kHz content from compatible digital sources connected via coaxial or optical inputs.

How does Bluetooth work on the GIA-275?

The GIA-275 uses Bluetooth v4.0 with aptX codec support and an external antenna. aptX delivers audio quality equivalent to CD over a wireless connection, reducing the compression artifacts associated with standard Bluetooth SBC. The external antenna improves reception range and connection stability compared to internal antenna designs. Pairing is straightforward from any Bluetooth-enabled smartphone, tablet, laptop, or other A2DP-compatible device.

What digital inputs does the GIA-275 accept?

The GIA-275 accepts digital audio via two coaxial (S/PDIF) inputs, two optical (TOSLINK) inputs, and one USB input, in addition to Bluetooth. It also provides two coaxial and two optical digital outputs, allowing the GIA-275 to route digital signals to an external DAC or recording device. All digital inputs are processed through the onboard Wolfson WM8740 DAC at up to 24-bit / 192kHz resolution.

Is the GIA-275 suitable for a small or secondary system?

Yes. The GIA-275's compact footprint and all-in-one design make it particularly well suited to smaller rooms, desktop setups, bedroom systems, and secondary listening spaces where minimizing component count and cabling is a priority. Its 80-watt-per-channel output provides sufficient power for most bookshelf and floor-standing loudspeakers in rooms up to medium size, and its full connectivity — analog, digital, USB, and Bluetooth — eliminates the need for additional components in most modern system configurations.

Where can I buy the Adcom GIA-275 in Canada?

The Adcom GIA-275 is available at Vinyl Sound, an authorized Adcom dealer in Toronto, Canada. Browse the full integrated amplifier collection at Vinyl Sound or contact our team for system advice and in-store demonstrations.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 10884669371

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4.4 ★★★★★
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Verified Purchase
Jessica
Birmingham, US
★★★★★ 5
like that
Size: 48in, Color: 3tier, Size: 48in, Color: 3tier
I like to have a three-dimensional wall shelf at home. I can display plants, photos and other items well. It is great. I haven't taken care of it yet. I need to put more beautiful items. Oh, by the way, it is of good quality. It is a little heavy. The merchant provides expansion screws for hanging it on the wall. It is also very simple to assemble... I am very satisfied with the effect and I like it very much.
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Reviewed in the United States on June 16, 2025
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Verified Purchase
Be Kind
West Palm Beach, US
★★★★★ 5
Great Accent Piece
Size: 48in, Color: 3tier
Industrial looking with wide shelf space. We were looking for a functional accent piece that we can also put things on. This new addition has been more than perfect. It provides a rustic feel and it has the industrial bars that holds the shelves which is the best. Very sturdy, please make sure to assemble on studs this piece is heavy. It looks really good in our living area.
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Reviewed in the United States on June 12, 2025
P
Verified Purchase
Patricia A. Riley
Draper, US
★★★★★ 5
Good looking
Perfect. Easy install. Sturdy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 31, 2025
M
Verified Purchase
Movie Buff
Lexington, US
★★★★★ 5
It takes skill to mount and not have the leaning tower of Pisa
Size: 36in, Color: 4-layer
First, the product is beautiful! I purchased this one for a smaller wall location but realized it was more massive and commanding within a room - That ended up being a good thing as I decided to put it in my office where my L shaped desk, (a Vernal executive desk), being quite massive, was successfully offset by drawing the eye up to the wall behind the desk where I had this mounted - In essence, the room was now properly balanced with the large desk - One should also know it takes some skill to mount to the wall - It should be in studs - You have to use a balance or bubble level to first get the vertical pipes parallel to each other - Also, make sure both vertical pipe supports are symmetrically matching each other from one side to the other - If you mount one upside down the wood shelves won’t lay level - We also turned the pipe supports so that the shelves would be equal distant - If I recall, if they are turned the other direction , you end up with shelves that are not equal distant with 2 shelves ending up closer to each other than the remaining shelves. The shelving is very high quality and I was very, very pleased with the end result and how the whole room was balanced with the large desk in a smaller office space.
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Reviewed in the United States on May 22, 2026
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Verified Purchase
That One Guy
Bozeman, US
★★★★★ 5
Solid shelves that look good!
Size: 36in, Color: 3-layer, Size: 36in, Color: 3-layer
Got these as a focal piece to my basement bar (added some cheap stick on LED strip lights behind it). I’m glad I ordered these! They are sturdy, shelves are solid wood, and the overall quality of the shelves is great. They were easy to install with provided hardware (although there isn’t much instruction in terms of mounting them, just putting them together), but it was simple enough to figure out with two people and a level (one holding, one making marks). Each pipe end has 4 screw holes, so expect to put 16 holes in your wall, but as shown in the photos the shelves can hold a good amount of weight. I recommend these for anyone looking to add the industrial look to your wall with a quality built shelf.
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Reviewed in the United States on August 7, 2023

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