Citronic: 171.237UK, Monolith mk3 Active Subwoofer + Column Array, 500W Class-D, Bluetooth, USB/SD
About this product
Monolith is an active subwoofer with inbuilt USB/SD player and Bluetooth®, powering a pole-mounted satellite column speaker to provide a convenient full-range PA set. This 3rd generation of the Monolith is driven from an efficient 400+100Wrms class-D amplifier section with bespoke DSP control, delivering powerful sub frequencies, punchy mids and sparkling highs. Supplied with a height adjustable 35mm pole and SPK link lead, each set can be used independently as a mono stack or in pairs or multiples for stereo or larger PA setups. The modular nature of this set makes it perfect for solo performers, DJ setups and conferences amongst many other applications.
- 500W class-D bi-amplifier
- Inbuilt USB/SD audio player
- Bluetooth connectivity
- Heavy duty wooden cabinets with Polyurea finish
- Supplied with adjustable 35mm pole and SPK link lead
Specifications
Specifications
Fuse | T3.15AL 250V (5 x 20mm) |
---|---|
Inputs | Switchable Mic (XLR/Jack) or Line (Jack/RCA) |
Outputs | Speaker out (SPK) to column, Line out (XLR) |
Controls | Gain, Sub-woofer level, Sub Boost switch, Mic/Line switch |
Sub driver | 1 x 300mmØ (12") |
Sensitivity | 103dB |
Audio source | Internal USB/SD/BT player |
Construction | 15mm MDF with texture polyurea coating |
Power supply | 230Vac, 50Hz |
Column drivers | 4 x 100mmØ (4") Ferrite, 1 x 25mmØ (1") Neodymium |
Frequency response | 35Hz - 20kHz |
Output power : rms | 400W + 100W |
Output power : max. | 1000W |
Monolith mk3 Active Sub + Column Array features

Citronic: 171.237UK, Monolith mk3 Active Subwoofer + Column Array, 500W Class-D, Bluetooth, USB/SD