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ADAM Audio S3H Dual 7 inch 3-way Powered Midfield Studio Monitor

Active Horizontal 3-way Main Monitor with 2 x 500W 7" Woofers, 300W 4" Midrange, 50W S-ART Folded-ribbon Tweeter, and Custom DSP Engine (each)
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Item ID: S3H
ADAM Audio S3H Dual 7 inch 3-way Powered Midfield Studio Monitor
Price:$3,999 and 99 cents
Special Financing - Ends Aug 2, 2026. $112/month with 36 month financing*

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ADAM Audio S3H Dual 7 inch 3-way Powered Midfield Studio Monitor
In Stock!
Price:$3,999 and 99 cents
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S Series Reference Monitoring for Your Studio

The ADAM Audio S3H is an active horizontal 3-way main monitor intended for midfield applications. The S3H delivers the power and accuracy professional engineers demand from a precision reference-grade monitor; reproducing high-resolution, full-bandwidth audio with stunning clarity. Engineered in Berlin to the strictest tolerances, ADAM's 3rd-generation S series monitors feature cutting-edge technology, including new Extended Linear Excursion (ELE) woofer and DCH midrange driver designs as well as the S-ART tweeter — an updated, even more precise version of ADAM’s acclaimed accelerated ribbon design. With its astounding, ruler-flat 30Hz–50kHz frequency range, ultra-wide and stable stereo imaging, powerful PWM ICE quad-amplification, and ultra-low distortion, the ADAM Audio S3H provides world-class monitoring you can trust, session after session.

Two 7" ELE low-frequency drivers

The drivers in ADAM Audio's S series monitor speakers benefit from years of in-house research and development and take advantage of the latest advances in technology and materials science. Newly developed for the S series, ADAM's Extended Linear Excursion (ELE) bass drivers employ the Symmetrical Magnet Assembly (SMA) to deliver optimized low-frequency reproduction with extended dynamic range and freedom from coloration. The ELE driver incorporates a rigid, yet low-mass honeycomb driver cone; a highly efficient, self-cooling linear magnet assembly; linear suspension and damping systems with a low-loss speaker surround; a vented symmetrical voice coil; and an optimized driver chassis/basket design. The S3H's two 7" woofers extend response down to 30Hz, making the speaker suitable as a main monitor in medium-to-large control rooms, without the use of a subwoofer.

4" DCH midrange driver

Featuring a unique hybrid dome/cone one-piece construction designed specifically for the S series by ADAM’s in-house engineers, the S3H's 4" DCH MF driver handles the critical midrange region with extreme precision, allowing you to easily place vocals and instruments in the stereo field, confident that your mix will translate to the world outside your studio. Combining the best attributes of both cone and dome drivers, the DCH midrange is both sweet and highly detailed, letting you work over long periods without listening fatigue.

The S-ART folded-ribbon tweeter

Instead of producing sound with a piston-like diaphragm like most loudspeakers, ADAM Audio's S-ART folded-ribbon tweeter uses a pleated diaphragm capable of moving air four times faster than the folds themselves are moving. Handcrafted to the tightest tolerances, the S-ART tweeter delivers breathtaking highs up to 50kHz and enriches the soundfield with stunning detail, faithfully conveying every nuance of the source material. Being handcrafted and meticulously tested in the ADAM’s Berlin laboratories, the S-ART high-frequency driver is a rare exception in these days of automated mass production.

Proprietary waveguide technology

Both the DCH midrange driver and the S-ART tweeter benefit from ADAM Audio's proprietary waveguide technology, which increased the accuracy of the drivers' off-axis responses. Milled from solid aluminum, the newly developed Midrange and High-frequency Propagation Systems (MPS and HPS) help deliver stable, wide-ranging dispersion that makes it possible for production teams of two or more people to work in the stereo or multi-channel sweet spot simultaneously — a common occurrence in larger control rooms.

Custom DSP engine for linear response

Utilizing the latest SHARC processing technology, the S series’ custom DSP optimizes the system's loudspeaker crossovers to deliver linear response over the entire frequency range and provides user sound-tailoring EQ as well as room tuning and voicing functionality. The DSP also handles limiter-based high-frequency driver protection, processes the signals from the AES3 digital inputs, and allows for various expansion options. Software updates can be executed easily via the system's USB port, which also allows you to connect to computers and control DSP functions via software.

Authoritative ICE Power

With decades of experience in designing professional sound systems for recording and broadcast studios and venues of all sizes, Sweetwater understands that under-powering is never an option. Control room main monitors such as the S3H need authoritative power, and ADAM Audio obliges with a powerful proprietary 1,350-watt PWM ICE Power quad-amplification system. A 500W Class D amplifier drives each of the S3H’s bass units, with additional 300W and 50W Class D amps dedicated to the DCH midrange and S-ART treble drivers, respectively. Combining the no-compromise precision of ADAM Audio’s custom drivers with the company’s custom amplification, the S3H is a reference monitor designed for discerning audio professionals and mission-critical applications.

Designed without compromise

S series monitors were designed without compromise to be high-precision professional reference monitors that flawlessly reproduce any signal presented to their inputs. You can expect outstanding transparency, dynamic response, and flexibility in placement and operation — and an open, natural, and non-fatiguing sonic presentation that will continue to please your ears and allow you to effortlessly make wise decisions throughout lengthy recording and mixing sessions. ADAM Audio's substantial cabinet construction is scientifically designed to minimize undesirable vibrations and their attendant coloration, while its rounded edges reduce diffraction distortion. Generous mathematically sculpted bass reflex ports on the front baffle help deliver bass reproduction with very low compression and allow positioning close to walls.

ADAM Audio: elevating the state of the art

From its 1999 launch in Berlin, ADAM Audio has built a solid reputation among the pro audio cognoscente. A superior speaker system has superior components, and this is one area where the company has a distinct edge. With years of R&D behind each proprietary driver, ADAM Audio's custom driver technology expresses itself in breakthroughs such as their X-ART (eXtended Accelerating Ribbon Technology) tweeter, which is based on a groundbreaking 1960s invention, the Heil Air Motion Transformer — and in fact, was the main impetus for the formation of ADAM Audio. The X-ART tweeter became the key to ADAM's signature transparent, high-definition sound; and the core development of ADAM’s proprietary designs going forward.

Constantly improving their proprietary technologies, ADAM Audio's new S-ART tweeter and DCH midrange driver are designed and manufactured to even tighter tolerances than their predecessors, with higher efficiency and extended frequency ranges. Another enhancement is the newly developed, solid aluminum HPS and MPS waveguides, which improve dispersion consistency and stabilize imaging over a broader area.

Embracing, exploiting, and working with modern materials has allowed ADAM Audio to formulate loudspeaker components that continually elevate the state of the art in studio monitor design. Materials such as rare-earth magnets and high-strength diaphragm foils have increased reliability, enhanced performance, and made possible new driver geometry. As compared with conventional driver technology, Adam drivers deliver optimized radiation characteristics, lower distortion, and higher efficiency. Along with installations in a growing number of top studios, ADAM Audio's monitor range has garnered rave reviews from audio experts and recording engineers worldwide. If you're considering an upgrade to world-class monitoring, you'll be in good company with ADAM Audio monitors.

ADAM Audio S3H Active Studio Main Monitor Features:

  • Horizontal 3-way system with 2 x 7" HexaCone woofers, 1 x 4" DCH midrange, and S-ART tweeter
  • S-ART tweeter, handmade in Berlin and manufactured to the tightest tolerances
  • Newly designed HPS and MPS waveguides, milled from a solid block of aluminum
  • New midrange driver with one-piece hybrid dome/cone (DCH) design
  • Custom-built Extended Linear Excursion (ELE) bass drivers
  • Custom-designed Symmetrical Magnet Assembly (SMA)
  • Spacious bass reflex ports on the front baffle
  • Highly efficient 1,350W PWM ICE Power quad-amplification
  • Linear frequency response of 30Hz–50kHz
  • Maximum peak sound pressure per pair at 1m ≥ 126dB
  • Custom DSP engine
  • Analog XLR inputs
  • AES3 digital I/O
  • 2-yr. standard warranty, extension to 5-yr. warranty upon registration in My ADAM User Area
  • Sold individually

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Tech Specs

  • Powered: Yes
  • Power Configuration: Quad-amped
  • Quantity: Single
  • LF Driver Size: 2 x 7"
  • LF Driver Type: HexaCone Woofer
  • MF Driver Size: 4"
  • MF Driver Type: Carbon-composite
  • HF Driver Size: 2.2"
  • HF Driver Type: S-ART Tweeter
  • LF Driver Power Amp: 2 x 500W
  • MF Driver Power Amp: 300W
  • HF Driver Power Amp: 50W
  • Total Power: 1350W
  • Frequency Response: 30Hz-50kHz (-20dB)
  • Crossover Frequency: 250Hz, 3000Hz
  • Maximum Peak SPL: 126dB @ 1m
  • Input Types: 1 x XLR, 1 x XLR (AES/EBU)
  • Output Types: 1 x XLR (AES/EBU)
  • USB: 1 x Type B
  • Features: DSP Room Tuning
  • Enclosure Type: Front Ported
  • Power Source: Standard IEC AC Cable
  • Height: 11"
  • Width: 23"
  • Depth: 15"
  • Weight: 58.6 lbs.
  • Manufacturer Part Number: AMS-S3H

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Reviews

Worth Every Penny
I purchased these not as an audio engineer or a mixer/masterer, but as an audiophile. For years I have demoed high end speakers from various brands (B&W, Kef, Focal, ect...) and while most have had speakers that sound good, I've never found "the one". With that said, I have used a pair of Adam Audio A5X for the last 7 years or so with my computer setup, and was a large fan of the Adam audio sound (did a/b testing when I first got them with the kef ls50 wireless and thought they were very close in quality, however the a5x were definitely more accurate and neutral so I went with them). Considering how much I liked the Adam Audio sound (mostly in how fast they are and non fatiguing the tweeter is) I decided to take a shot in the dark and purchase the S3H without listening to them prior.

After listening to the S3H for about 500 hours, I can comfortably say these are "the one" as far as my speaker journey has gone. These monitors have more imaging than I have ever heard out of speakers, and you can meticulously tell where each note and sound comes from in front of you. On top of this, they are incredibly fast. Fast to the point that even non audiophile friends have commented on this. It is hard to explain in words what I mean by this, but basically the response of every instrument and vocal is instantaneous in a natural way. There is no lingering distortion or reproduction that isn't there. I would say the only notable downside is the lack of bass, though I personally always prefer at least 1 sub but possibly 2 with any audio setup to more properly get the full dynamic range of frequencies in music and media.

I have been using the S3H with a pair of Adam Audio Sub12, and have mostly been using them for music, movies, and video games. I know I might not be the typical buyer of such gear considering I use these recreationally, but I can confidently say that anyone that is into PC gaming and is an audiophile, a pair of these with a good subwoofer is END GAME.
Near Absolute Perfection
If you are not accustomed to listening to music on high end monitors, then you will simply be blown away by what monitors of this caliper can accomplish. Close your eyes and it is like you are sitting right behind the drum kit when the snare hits. The stereo field and transient response is godly. Each high end monitor has its one little quirk though and these are not immune to that. The bass is a touch light (tight and completely transparent) but a little light. I'm sure this would be fine in a smaller room (I mix in a 30wx25hx40l room) but that is really the only thing I can notice that I would tell someone else interested in buying these. Other than that... Adam does one thing wayyy better than anyone else and that is..... reducing ear fatigue. You can go hours in front of these bad boys and not walk away feeling drained. At this level and up it call comes down to individual preferences as there is no doubt you will be able to get an accurate translation of the mix from these speakers.
Incredible
Unbelievable clarity and depth... lets you hear "into" a mix unlike any other speaker... lows are round, mids sound real, and highs are airy and smooth... works great even in a nearfield type setting... on-board EQ is very useful to help flatten room resonances... drive it digitally at 96k through the included AES/EBU ports for the most pure signal...a fantastic investment and great value for the price.
You get what you pay for!!
I dont regret one nickel.
Music background: Audio Engineer, Producer