The models S4 are the first to incorporate the A.R.T. Midrange unit. The capability of a loudspeaker to simultaneously create spatial information and good positioning has been the subject of much discussion. Perhaps it is this constant phase behaviour of the A.R.T. transducers that cannot be found in voice coil based systems that can accounts for ADAM monitors great ability in this area. The S4 is more than adequate for use in even bigger control rooms with great sound.Ý The S4 is especially suited for broadcast monitoring.

Technical specifications

- 3-way active bass reflex speaker
- Woofer 228 mm (9î) HexaConeÆ
- A.R.T. tweeter
- A.R.T. midrange
- Freq.response (± 3 dB) 28 Hz - 35 kHz
- Front panel Input/HF gain, Hi/Lo EQ adjustment, standby
- Power 150W (sin), 200W (rms)
- Inputs Balanced XLR
- W x H x D 675mm (26.6î) x 360mm (14.2î) x 450mm (17.7î)
- Weight 32 kg (70.5 lbs)
- Warranty 2 years