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Adam Audio S4X-H Midfield Active Studio Monitor, Single

Adam Audio S4X-H Midfield Active Studio Monitor, Single

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Product Code : S4X-H


The S4X models

The S4X monitors are not just an improved versions of the famous and highly acclaimed S4A but an evolutionary development. Like their predecessors, they have been designed for medium size control rooms. Given their excessive power, the S4X are also capable of working in larger environments. Because both S4X models have identical tweeters and midrange drivers handling frequencies above 350 Hz, any combination of either model will integrate perfectly in a 5.1 or 7.1 installation.

X-ART & newly developed broadband amplifier

All models of the SX-Series are equipped with the new X-ART tweeter. The X-ART tweeter has a 4dB higher efficiency, a 3dB higher maximum sound pressure level, and an increase in frequency response up to 50 kHz. The newly designed broadbandA/B amplifier has been developed by ADAM to perfectly match the needs and capabilities of the X-ART tweeter. The entire range of sound can be heard as never before.

New HexaCone woofers

The new HexaCone woofers are designed with larger and longer voice coils that deliver more linear excursion for higher SPL max. values. A stronger magnetic structure is added as well for an optimum in efficiency and accuracy.

Optional digital input and magnetical shielding

All SX-models (except the S1X) can be optionally retrofitted with a 24 bit/192 kHz D/A Converter featuring an AES/EBU (XLR) and a SPDIF (RCA) inputs as well as a R/L/Mono switch.

All models can optionally be magnetically shielded.

New Option: External Amplifier Unit EA-SX

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


The S4X-H midfield monitor combines the X-ART tweeter with a 5“ HexaCone midrange and two redeveloped 9“ HexaCone woofers.

Each of the woofers and midrange drivers are driven by a 250 W ICE module. To allow the X-ART tweeter to extend to its highest frequencies, it is combined with a unique ADAM Audio A/B amplifier. This unique amplifier has ultra low distortion and an immense internal bandwidth of more than 1MHz. Combine this amplifier with the X-ART tweeter and you get a fascinating sound that is effortless and of highest resolution.

Improperly designed larger monitors are always at risk at compromising the overall sound with bass reproduction that is too intense. As in all ADAM Audio designed speakers, both versions of the S4X have been designed to combine both the power and volume of the bass (28 Hz at -3 dB point) with the highest possible precision. Combine this with the transparent high and midrange frequencies of the S4X and this will give an engineer a new quality level of control and performance for larger rooms.

The frontpanel

ADAM has developed an innovative front panel with sophisticated controls. These controls allow the user to adapt the speakers to the soundroom with high precision.

Apart from the standby-button, there are two controls for the input sensitivity, two for the bass section and two more for the high frequencies.

Basket Ø9" (228 mm)
Voice coil Ø2" (50 mm)
Cone materialHexaCone
TypeCone driver
Basket Ø6" (156 mm)
Voice coil Ø1.5" (37 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 response28 Hz - 50 kHz
THD > 80 Hz≤0.6 %
Long term output≥118 dB
Max. peak≥128 dB
Crossover frequencies280 / 2800 Hz
Input impedance10 KOhm
Weight71 lb (32,2 kg)
Magnetically shieldedNo
Height x Width x Depth14" (360 mm) x 27.5" (700 mm) x 17.5" (450 mm)
Warranty5 Years

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