The hd M4
is a passive 1-way design speaker, equipped with four 2″ broadband chassis, which is ideal for near field or voice applications. Operation is possible via any power amplifier with DSP or via hd system amplifiers
and makes the hd M4 the optimal solution for decentralized or small sound applications such as in restaurants, conference rooms or theaters. The hd M4 can be flexibly and easily installed permanently or can be used as a mobile device. Using the discreet ball joint wall mount, the hd M4 can be easily swiveled and tilted or attached with the L-angle wall mount extremely close and unobtrusive to the surface to be fixed. Internal terminal block connections ensure a tool-free and quick connection of the loudspeakers. For optimum adaptation to the room architecture, the loudspeaker can be customized in all RAL colors and special lengths. If wall mounting is not possible, the speakers can be used with the optional 35mm flange base plate and SpeakCON socket on a tripod.
Extremely powerful subwoofers of the hd Sub- or hd P-Series with up to 1800 W AES power handling capacity extend the low-frequency sound experience down to the infrasound range. The most elegant solution for extending the bass range of the hd M-Series is the super slim hd Slim265 design subwoofer. Due to its low height of just 102 mm, it fits into any suspended ceiling, can be mounted on a wall or placed invisibly under a piece of furniture.
For applications in existing or newly installed distributed systems, the hd M-Series is also available as a 100V version. State-of-the-art transformers guarantee excellent sound quality despite the long distances and small cable cross-sections. Various power taps on the speaker allow to adjust the volume. External sound processing is required.
||4x 2″ fullrange chassis
||active at 150 Hz
|Power handling capacity (RMS/Peak)
||100 W / 140 W
||150 Hz – 20 kHz
|Sensitivity (1 W / 1 m)
|Max. sound pressure (1 m)
|Nominal dispersion angle
||horizontal 100° x vertical 40°
||4 Ohms or 16 Ohms, chose on order
||clamp connection inside
|Dimensions (W x H x D)
||80 x 553 x 78 mm
||Powder-coated aluminium profile black
Steel grille with acoustic foam
Clamping terminal inside
Cable insert at the back
incl. 2x M6 nuts
35 mm flange + NL4