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Anthem STR Integrated Amplifier
Powering the Future of Audio.
The revolutionary STR Integrated Amplifier is based on an entirely new technological platform, for true benchmark performance in stereo amplification. More power, more control, more connection options, and the most advanced technology available in a single, easy-to-use component.
Designed, engineered, and Crafted in Canada, the STR Integrated Amplifier combines the benefits of an advanced preamp with the power of a massive amplifier and processor. It includes leading-edge DAC, onboard Anthem Room Correction (ARC®), customizable bass manager for mono or stereo sub outs, MM and MC phono inputs—far more than the average integrated amp.
And it includes new generations of many of Anthem’s award-winning, audiophile-loving, review-praised digital signal processing innovations, delivering a noticeably higher level of audio performance realism.
This is the integrated amplifier with the power, features, connections and control to fuel your two-channel dreams, today and into tomorrow.
- High-resolution preamplifier section
- High current, high output amplifier section
- Amplifier uses 8 bipolar output devices per channel, a toroidal transformer power supply, and Advanced Load Monitoring for 200W at 8 ohms, 400W at 4 ohms, 550W at 2 ohms, all continuous
- Anthem Room Correction (ARC) optimizes in-room response for perfect sound
- Bass management for two subwoofers, in mono or stereo
- Up-sampling of lower-resolution sources to 32-bit/192kHz
- S/PDIF coaxial and optical, and balanced AES/EBU inputs
- Asynchronous USB Audio Input supports 32-bit/384kHz PCM, and DSD 2.8 / 5.6 MHz sources
- MM and MC phono, balanced XLR, and single-ended analog inputs
- Analog Direct mode
- Graphic Front Panel Display for easy setup and navigation
- Controllable via Ethernet, RS-232, or supplied IR remote
- Available in Silver and Black Finishes
- Crafted in Canada
Two-Channel Nirvana.
More power, more control, more connections, more technology. The STR Integrated Amplifier will change your perception of two-channel amplification. Now, you can have it all, in one component, with the kind of superior response and realism that Anthem is famous for.
More Subwoofer Options
STR Integrated Amplifier gives you more options for subwoofer configuration. Use one subwoofer or two for both channels, or two independent right-and-left channel specific subwoofers. The bass management in conjunction with ARC is uniquely engineered engineered for seamless subwoofer blending, achieving an incredibly accurate and lifelike performance.
More Attention to Detail
We believe that two-channel listening demands attention to detail. A component must balance extreme power and delicate transparency, with flawless signal integrity being the benchmark of stereo performance. To that ultimate end, the Anthem STR Integrated Amplifier is designed with the shortest possible signal paths, and differential analog to digital circuitry to cancel artifacts and keep noise to a minimum.
More Power, From Oversized Toroidal Transformers
Clarity is maintained using carefully selected components, many of them engineered exclusively in-house at Anthem, like the huge, precision-wound toroidal transformers and their matching oversized filter capacitors. This massive power supply operates in harmony with the high-current, high-output amplifier section to produce an astounding 550W per channel continuously into 2 ohms! Peak production is effortless and instantaneous, cinching even the most challenging material. The use of multiple bipolar output devices dramatically reduces distortion while ensuring extreme linearity, extensive bandwidth, and stress-free reliability.
Moving Magnet and Moving Coil Cartridges
Anthem has also taken into consideration the resurgent popularity of vinyl long-playing records, and has included separate inputs for moving magnet and moving coil cartridges, with the phono section completely shielded to maintain signal purity. The transparency and refinement of the STR Integrated Amplifier reveals the hidden magic of classic media.
More Innovative Electronics
No less important is Anthem’s non-invasive Advanced Load Monitoring (ALM) circuitry, which protects the output section of the STR Integrated Amplifier by constantly monitoring temperature, current and voltage to ensure optimum long-term performance.
And there’s more. The STR Integrated Amplifier has more useful features than the average integrated amp, with no filler. Everything is geared toward giving you the power and control you need to achieve two-channel nirvana.
Aside from its cutting-edge technology and Anthem-exclusive innovations, one look tells you that the STR is a different amplifier animal altogether. The large Thin Film Transistor (TFT) display on the front panel can be seen from across the room, and gives you surprisingly easy control over your whole system. It’s a part of the luxurious new industrial design of the STR Integrated Amplifier, a striking look that’s available in two beautiful finishes, Black or Silver.
The Crafted in Canada Difference
The STR Integrated Amplifier is designed, engineered and manufactured in Canada and is part of premium STR Series by Anthem, the leader in audio power and control.
A True Scientific Solution to the Problems of Your Room
What is ARC® ?
Anthem Room Correction (ARC) is a proprietary digital signal processing system that allows you to quickly and accurately optimize the performance of your audio equipment to better suit the unique parameters of your room. By listening to your room’s acoustic signature, ARC can tune your equipment to correct for the performance-robbing effects (reflections, resonances, standing waves, etc.) of the various surfaces and other obstacles in your room. You’ll actually hear the difference ARC® makes.
How does ARC® work?
ARC digitally compares a room’s acoustic signature to that of the lab standard. It measures the response of each speaker relative to the listening area. Then it uses advanced algorithms to eliminate the negative effects of the obstacles in the room, adjusting response and correcting phase effects. When ARC removes the obstacles, what’s left is the lab standard performance.
ARC is easy to use, and just a few simple steps can optimize your speakers for your unique listening space. ARC is sophisticated, one of the most accurate and detailed digital room correction technologies available today. ARC will work tomorrow, too; with constant advances and updates available for download on the Anthem website.
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Professional Reviews 91/100
Deliciously Crispy
Sound Quality
92/100
Build Quality
90/100
Features Connectivity
94/100
Value for Money
88/100
With powerful control and a neutral, highly resolved presentation, the Anthem STR Integrated sounds bigger and cleaner than its single-box footprint suggests. Roger Kanno and Hi-Fi Choice praise its composed dynamics, natural phono stage, and natural DAC, while ARC room correction adds real-world tuning finesse without undermining its musical poise.
What Reviewers Are Saying
Pros
Delivers powerful, composed dynamics with excellent control of demanding speakers and bass.
Sounds neutral, detailed, and natural, with strong imaging and convincing vocal/body presence.
Excellent phono stage and DAC performance make it a versatile all-in-one hub for analog and digital sources.
ARC room correction and deep configuration options are widely praised for improving system integration and room performance.
&
Cons
Some reviewers found the presentation a little leaner or more forward than costlier reference separates.
ARC can slightly flatten the image or reduce a bit of low-level subtlety compared with direct analog playback.
There’s no built-in headphone output, and some users may miss HDMI or streaming.
SOUND QUALITY PERFORMANCE 92/100
Reviewers are consistently impressed by how transparent, controlled, and musically natural the STR sounds. They repeatedly describe it as revealing, neutral, and highly detailed, while also praising its composure, tonal body, and convincing imaging.
Transparency Resolution
94/100
Reviewers repeatedly call the STR revealing and detailed, with comments about hearing fine track-level information, low-level nuances, and a 'window to the master tape' sense of clarity. Several also praise the DAC and phono stage for sounding quiet and highly resolving without adding obvious color or grain.
Tonal Balance Musicality
91/100
The amp is described as even-handed, neutral, warm yet vivid, and refreshingly understated, with treble that stays smooth and unfatiguing. Reviewers also note natural vocals, rich overtones, and a pleasing sense of body, though one review mentions a slightly leaner presentation and another says ARC can make the sound a bit more forward or homogenized.
Dynamics
93/100
Across the reviews, the STR is praised for huge power reserves, composure at very high levels, and excellent control with demanding speakers. Comments about effortless transients, strong punch, and freedom from distortion under pressure point to genuinely authoritative dynamics.
Soundstage Imaging
90/100
Reviewers often highlight strong separation, clear placement, and a soundstage that gains depth and coherence, especially with ARC engaged. At the same time, one review notes that the image can flatten a little and another says placement is somewhat understated, so it is very good rather than uniformly spectacular.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
90/100
Reviewers describe the STR as a beast, reassuringly beefy, solidly built, and heavy, with a huge shielded transformer, oversized capacitors, and clean case construction. The remote and controls are also praised for feeling sturdy and well made, though the reviews focus more on solidity than on finer long-term craftsmanship details.
Features Connectivity
94/100
This is one of the STR’s biggest strengths: MM and MC phono stages, balanced XLR, multiple RCA and digital inputs, USB, AES/EBU, subwoofer outputs, Ethernet for ARC and control, and extensive configuration options. Reviewers repeatedly single out Anthem Room Correction, input flexibility, and the unusually rich setup tools as standout features for an integrated amp.
Value for Money
88/100
Reviewers generally see the STR as justified by its asking price because it combines serious amplification, an excellent DAC, phono stages, and unusually advanced room correction in one chassis. They compare it favorably with much pricier separates and mention strong long-term value, but the praise stops short of calling it a bargain or best-in-class value.
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Authorized dealers for Anthem STR Integrated Amplifier
- Ahead Stereo — in-store — Los Angeles, California, United States (website)
- Alpha High End — online and in-store — Brasschaat, Vlaams Gewest, Belgium (website)
- Alta Fedelta — online and in-store — Lombardia, Italy (website)
- Analogue Seduction — online and in-store — Whittlesey, England, United Kingdom (website)
- Archer High Fidelity — in-store — Washington, Virginia, United States (website)
- Arctic Audio — in-store — Fargo, North Dakota, United States (website)
- Audio Advice — online and in-store — Raleigh, North Carolina, United States (website)
- Audio Affair — online and in-store — Deritend, England, United Kingdom (website)
- Audio Ark — in-store — Edmonton, Alberta, United States (website)
- Audio Breakthroughs — in-store — Manhasset, New York, United States (website)
and 166 more verified dealers