Rated 4.9 (120 reviews)
The Apart MASK4CT is a 4″ two-way passive loudspeaker with 100V line transformer for distributed audio installs. Clickmount bracket for fast install, IP64 rated for covered outdoor or wet-area use. Tapped at 50/25/12.5W on 100V or 8Ω/16Ω low-impedance switch, works on both 100V lines and low-Z amps. Supplied as a pair.
50W
Power · @ 100V (tapped)
100V
Voltage · + 16Ω low-Z
4″
Driver · 2-way
IP64
IP Rating · Dust/splash
Features
Switchable 100V line / 16Ω low-impedance operation
Multi-tap transformer: 50W / 25W / 12.5W (100V)
Clickmount bracket, install in seconds
IP64 rated for covered outdoor or wet areas
4″ woofer + high-frequency tweeter
Designed for long cable runs on 100V distributed systems
Black or white finish
Designed and manufactured by Apart (Biamp)
Specifications
| Supplied as | Pair (2 speakers) |
| Operating Mode | Passive |
| Transducers | LF 1 x 108 mm coated paper cone; HF 1 x 25 mm soft dome |
| Power | 50W continuous @ 16Ω; 200W peak |
| Transformer | 70V: 20W, 10W, 5W, 2.5W, 1.25W; 100V: 20W, 10W, 5W, 2.5W |
| Impedance | 16Ω |
| Frequency range | Operating Range (-10dB) 70 Hz to 22 kHz |
| Sensitivity | Nominal Sensitivity @ 1m; @ 1W; 88 dB; @ 2.83V; 85 dB |
| SPL | Nominal Maximum SPL @ 1m; Peak; 111 dB; Continuous; 105 dB |
| Beamwidth | Nominal Beamwidth (H x V) 100° x 70° |
| Recommended amplifier | 50W to 100W @ 16Ω (28V to 40V) |
| Control | Power tap / low impedance selector switch |
| IP rating | IP64 per IEC 60529 |
| Operating Environment | Indoor/Outdoor; IP64 per IEC 60529 |
| Mounting | ClickMount bracket |
| Included Accessories | ClickMount bracket; safety cable |
| Dimensions | 238 x 144 x 144 mm (H x W x D) |
| Weight | 2.3 kg |
| Audio | Audio connections made at the ClickMount bracket; lever-action input and output terminals accept up to 16 AWG conductors |
