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Cary Audio DMS-300A Streaming Amplifier: Because Clearly We Needed One More High-End Model for the Royal Rumble

At $5,995, Cary Audio enters the crowded streaming amp arena with the DMS-300A, a Class A/B heavyweight packed with hi-res support, tons of inputs, but no room correction.

Cary Audio DMS-300A Streaming Amplifier Silver with Remote Control

Streaming amplifiers are the audio world’s new black turtleneck—every brand’s got one, and if they don’t, they’re scrambling to design one before the playlist ends. What started as a niche solution for space-starved apartments and cable-hating millennials has ballooned into a full-blown arms race.

You’ve got budget options from WiiM, NAD, Eversolo, and Marantz slinging some very capable boxes under $1,000. Move up the chain and you’re staring down serious contenders like Naim’s Uniti line, Cambridge Audio’s Evo series, and Hegel’s smartly engineered all-in-ones. And that’s before you wander into the upper tiers where things get serious—and pricey.

Enter Cary Audio, a brand that rarely dips a toe in the stream without giving it some old-school American thunder. Their new DMS-300A streaming integrated amplifier throws its hat into this very crowded ring, aiming not just to compete but to stand out with a Class A/B design that still promises all the digital bells and whistles. Hand-built in the U.S. with 75 watts per channel into 8 ohms and streaming support baked in, this isn’t a half-hearted attempt to ride the wave—it’s Cary’s declaration that they’re ready to bring the heat in a category quickly reaching critical mass.

Cary Audio DMS-300A Streaming Integrated Amplifier

cary-audio-dms-300a-black-front

Cary Audio didn’t just slap a streaming module onto an amp and call it a day—the DMS-300A is built to compete in the heavyweight division of hi-fi. On the streaming side, it’s armed to the teeth: it can handle PCM files up to a ridiculous 32-bit/768kHz and native DSD512. That’s more resolution than most people need, but hey, it’s 2025—go big or go home.

It supports Qobuz Connect, TIDAL Connect, Spotify Connect, AirPlay, and Bluetooth with aptX for the lossy crowd. You’ve also got UPnP and DLNA support, so pulling music off a NAS or local server is a breeze, assuming you still remember your network password.

Roon Ready? Of course it is. It would be malpractice for a $6K+ amp in this category not to be.

Physical connections are generous: coax and optical digital outputs and inputs, three USB-A ports for local storage (or maybe your collection of old DACs you can’t quit), and three line-level analog inputs. There’s even a 3.5mm stereo jack, which feels a bit retro in the best way. On the front, you’ll find an SD card slot because somewhere out there, a Cary loyalist still loads music like it’s 2011.

No headphone amplifier, though—so if you’re looking for late-night sessions without waking the dog or your upstairs neighbor, you’ll need an external solution. The DMS-300A does come with its own control app for both Android and iOS, though—thankfully—so you won’t have to control this thing with a rotary dial and Morse code.

cary-audio-dms-300a-silver-rear

Cary Audio DMS-300A Features & Specifications

  • Amplifier Type: Streaming Integrated Amplifier (Class A/B)
  • Power Output:
    • 75W x2 @ 8Ω
    • 125W x2 @ 4Ω
  • Amplifier Design: Power MOSFET, Class A/B
  • Dimensions: 3.75″ (H) x 17.25″ (W) x 12.5″ (D)
  • Weight: 26 lbs
  • Power Consumption: 255W
  • Frequency Response: 10Hz – 50kHz (±0.1dB)
  • Total Harmonic Distortion (THD): 0.0004% (1kHz)
  • Signal-to-Noise Ratio: >100dB (A-weighted)
  • Dynamic Range: 117dB
  • Channel Separation: 106dB
  • Preamp Output Level: 3.0V RMS
  • Analog Inputs
    • 3 x RCA (Main-In, Line 1, Line 2)
    • 1 x 3.5mm Stereo Jack
  • Analog Outputs: 1 x RCA Subwoofer Out
  • Digital Inputs
    • 3 x USB-A
    • 1 x SD Card (front panel)
    • 1 x Optical (Toslink)
    • 1 x Coaxial
    • Bluetooth aptX (Input)
  • Digital Outputs
    • 1 x Optical (Toslink)
    • 1 x Coaxial
  • Streaming Services:
    • Qobuz Connect
    • TIDAL Connect
    • Spotify Connect
    • Apple AirPlay
    • Bluetooth (Qualcomm aptX)
  • Roon Ready Certified
  • Network Protocols: DLNA, UPnP
  • App Control: Available for iOS and Android
  • Wi-Fi: 802.11 b/g/n
  • Ethernet: Yes
  • PCM Resolution: Up to 32-bit / 768kHz
  • DSD Support: DSD64, 128, 256, 512
cary-audio-dms-300a-silver-angle-left

The Bottom Line

The Cary Audio DMS-300A enters a crowded arena already stacked with smart, mature contenders like Hegel, Naim, PS Audio, Cambridge, Marantz, and Lyngdorf—brands that have spent years refining the all-in-one streaming amp formula. Cary’s approach is refreshingly traditional: Class A/B power instead of Class D, a solid array of analog and digital I/O (no HDMI ARC, but enough for serious setups), and an old-school visual aesthetic free of touchscreen gimmicks that most of us can’t read without squinting like we’re decoding ancient runes.

There’s no phono stage, no room correction, and it comes in at a premium price—meaning it’s clearly not chasing entry-level users. But for those who want American-built hi-fi with real heft, familiar usability, and a clean signal path, the DMS-300A has appeal. Just know that at this price point, you’re standing in the ring with some of the industry’s most battle-tested heavyweights—and they’ve all had more rounds to work out the kinks.

Where to buy: $5,995 at Cary Direct

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3 Comments

3 Comments

  1. Anton

    August 7, 2025 at 7:29 pm

    I didn’t even know that Cary Audio was still in business. They made some really nice tube power amplifiers in the 1990s. Good to see them still alive and kicking.

    Sorta like VanAlstine. Sadly he passed away I think. Hopefully the family keeps that one going.

    • Ian White

      August 7, 2025 at 8:14 pm

      Cary is very much in business (obviously) and still making some great amplification.

      I think I remember the amplifier you mentioned from the 1990s. Was it a silver/gold 300B or 845 triode power amplifier?

      IW

    • Ian White

      August 7, 2025 at 8:29 pm

      I forgot to respond to the Van Alstine comment. Frank passed away in January and the company continues to design and offer new components.

      Interesting man. Met him twice at shows. Respected engineer and not a marketing guy.

      IW

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