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Adam Audio S3X-H Near-/ Midfield Monitor, 3-Way System, 2x7.5" woofer




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Adam Audio S3X-H Near-/ Midfield Monitor, 3-Way System, 2x7.5" woofer

S3X-H - Yes, even better

The S3A is one of ADAM’s most famous models and is found in many of the most prestigious recording studios all over the world. The successor of this world famous model is the S3X-H, a monitor second to none within its size and price point.

Unlike the S3A, the new X-model incorporates a 4” HexaCone-midrange as part of the redesigned construction to further improve the musically most important midrange. This new design provides more detail with improved radiation characteristics while presenting a musically coherent sound.

To produce deep, tight bass both woofers now work within the same frequency range and radiate symmetrically. This allows for a problem free installation in any multi-channel application.

New Option: External Amplifier Unit EA-SX

For the models S2X, S3X, S4X and S5X we offer the option of an external amp unit in order to make flush mounting of these monitors easier.

Reviews: “...the monitor reference...”

Due to the outstanding reputation of its predecessor, it was to be expected that the S3X-H would be reviewed with the most critical of all ears. Here are some samples (complete reviews can be found here):

“The S3X-H convinces all along the line. ADAMs new member is all but just an improvement of a successful monitor. With a new loudspeaker design and painstaking tuning it is a first-class control tool in any studio. From now on, the monitor reference in the Professional audio-studio is called S3X-H.” (Professional audio, 09/2009)

“[...] anyone seeking an uncompromised solution to studio monitoring should add these to your short list of products to consider.” (MIX, 12/2009)

“The S3A is an amazing unit with some excellent technologies, and ADAM hasn’t just built on this to give us the S3X, but has built something new and exciting with what it knows so well. The sound has been opened up in a whole new way that I believe consistently delivers more reliable results outside of your studio. These are reference monitors, and as they make their way into studios they will become part of the standard called ‘music production’. The S3X radiates sound into the room with depth, accuracy, and clarity in the way you need it to be with comfort and ease. These are monitors that need to be heard.” (Audio Media, 09/2009)

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Basket Ø7.5" (186 mm)
Voice coil Ø2" (50 mm)
Cone materialHexaCone
TypeCone driver
Basket Ø4.5" (116 mm)
Voice coil Ø1" (25 mm)
Cone materialHexaCone
Diaphragm area4 inch² (2420 mm²)
Equiv. Diaphragm Ø2" (56 mm)
Velocity transform ratio4:1
Diaphragm weight0.17 g
Built-in Amplifiers 
Amp. power RMS / music250 W / 350 W
Amp. power RMS / music250 W / 350 W
Amp. power RMS / music50 W / 100 W
Control panel 
Input Sensitivity (coarse)-20 to +8 dB (4 dB steps)
Input Sensitivity (fine)-1.5 to +2 dB (0.5 dB steps)
EQ 80 Hz0 to +6 dB (1 dB steps)
High Shelf EQ > 6 kHz±4 dB (1 dB steps)
Low Shelf EQ < 150 Hz±4 dB (1 dB steps)
Tweeter gain±2 dB (0.5 dB steps)
Input connectors 
Digital (optional)AES/EBU / SPDIF / word clock
General data 
Frequency response32 Hz - 50 kHz
THD > 80 Hz≤0.6 %
Long term output≥116 dB
Max. peak≥126 dB
Crossover frequencies350 / 2800 Hz
Input impedance10 KOhm
Weight43.2 lb (19,6 kg)
Magnetically shieldedNo
Height x Width x Depth11" (280 mm) x 21" (530 mm) x 12.5" (320 mm)
Warranty5 Years
Delivery contents

Power cord, Manual