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GIA-275 Series II Integrated Amplifier

ADCOM GIA-275 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.

Original price was: $795.Current price is: $645.

ADCOM GIA-275 Amplifier


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.


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.



spec gia275 - Adcom
Bluetooth Receiver V4.0 with Windows,
aptX (CD quality) with External
antenna for Bluetooth.
USB Input Windows,XP, Vista 7&8, Apple.
USB Audio 2.0 driver provided for Windows 32 & 64 bit.
Software upgradeable via mini USB.
Analog Inputs AUX 1 & AUX 2
Digital Coaxial Inputs/output 1 & 2
Digital Optical Inputs/output 1 & 2
Output Power
80 watts at 8 ohms 20Hz-20kHz.
120 watts at 4 ohms 20Hz-20kHz.
Standby power <½ watt.
THD + noise at 80 watts into 8 ohms = < 0.7%.
THD + noise at 120 watts into 4 ohms = < 0.7%.
6 lbs (2.7kg).
Shipping weight:8 lbs (3.6kg).
Frequency Response
@ 1 watt into 8 ohms
10Hz-20kHz = +0. -0.55dB.
11.8” x 13.7” x 7.8”
30cm x 35cm x 20cm
Wolfson WM8740.
120VAC & 230VAC / 50-60Hz

Music lovers who also appreciate high-quality stereo components offering a range of the most modern and commonly used inputs should be sure to explore the latest offering from ADCOM. The GIA-275 integrated audio amplifier offers a wealth of digital and analog input capabilities and delivers superior sound.

The GIA-275 integrated amplifier is available for sale only in the finest quality stereo equipment shops.

Note: For more technical specs, please refer to the attached user manual & Spec

Q & A

I have an Adcom system I purchased back in the mid 90’s. Would this be compatible with my system or would it be instead of? Knowles Tim asked on December 20, 2023

The Adcom GIA-275 Series II is a stereo integrated amplifier. It only requires a playback source and speakers. What are the customer's old systems? Please contact our customer support via

adcom answered on February 26, 2024 store manager
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Based on 1 review
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Verified OwnerVerified Owner

Great amplifier. Clean power ands great

3 months ago

1 review for GIA-275 Series II

  1. Russell (Verified Owner)

    Great amplifier. Clean power ands great

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