The ICOA PRO SUB 21 A combines massive bass performance with a clever and roadworthy design. The 3 kW 21 high-performance subwoofer with bass reflex design delivers a massive, precise and powerful bass range with its specially developed 21 neodymium woofer ideal for mobile DJs, clubs, live events, festivals and permanent installations.

The centrepiece of the ICOA PRO SUB 21 A is its extremely powerful 21 woofer with a 4.5 neodymium motor. Thanks to its long-throw design and precisely tuned suspension, this subwoofer delivers an unexpectedly tight, dry and precise low bass.

The powerful Class D power amplifier delivers up to 1500 W RMS (3000 W peak) and 136 dB max. SPL, providing enormous reserves and reliable low bass performance. Four extra-large, flow-optimised bass reflex ports ensure a rich low end down to 29 Hz.

The modern SysCore DSP with FIR/IIR filters and advanced limiters guarantees distortion-free sound and safe operation, even at very high volumes.

With 4-band PEQ, delay function (up to 50 m) and three selectable crossover frequencies (80 Hz, 100 Hz, and 120 Hz), the subwoofer can be flexibly adapted to different setups. Preconfigured presets are already available for low-latency monitoring and cardioid applications.

The intuitive menu is navigated using the colour display with one-knob control or the free ICOA PRO app (iOS/Android). All settings can be adjusted quickly and wirelessly via the app, and multiple speakers can be paired with each other. A stereo setup with up to two tops and four subs, including direct music streaming via Bluetooth 5.1 and TWS, can be created and ready for use in the app in just a few seconds. A status LED on the front of the subwoofer enables easy identification and indicates if the limiter is activated.

Two XLR inputs, two XLR outputs and a powerCON Loop-Thru connection enable uncomplicated system cabling and flexible expansions.

Thanks to the integrated stacking recesses and two M20 flanges, the subwoofer can be safely stacked horizontally or vertically and flexibly built into any setup.

The 1518 mm birch plywood cabinet has been deliberately kept compact and has similar dimensions to an 18 model. With a width of just 562 mm, the subwoofer fits perfectly into standard vans (Mercedes Sprinter, Fiat Ducato, Ford Transit and VW Crafter) as part of typical transport solutions (Sprinter case/TRANSflex next to subwoofer).

This space-saving design, combined with a robust polyurea coating, makes the ICOA PRO SUB 21 A the ideal choice for touring and installation applications.

Eight ergonomic carrying handles provide a secure grip on all sides and facilitate setup and dismantling. The optional ICOA PRO SUB CB castor board makes long-distance transport considerably easier.

The ICOA PRO SUB 21 A sets new standards with its compact design, powerful low bass performance and state-of-the-art SysCore DSP. With its impressive “headlining punch”, it is the perfect tool for demanding, professional applications such as live events, club installations and mobile DJ setups.

Features

• 21″ high-power bass reflex subwoofer with powerful low-end down to 29 Hz
• 136 dB max. SPL and 1500 W RMS / 3000 W peak
• Ultra-strong neodymium motor with 4.5″ voice coil for fast and tight response
• 4-band parametric EQ and 6 application presets (incl. low-latency and cardioid functions)
• Free app for remote control via smartphone or tablet
• SysCore DSP with Advanced limiters incl. temperature and voltage monitoring for maximum reliability
• Adjustable delay for up to 50 meters
• 2 x XLR inputs and 2 x XLR-THRU outputs
• Ultra-robust birch plywood cabinet with polyurea coating and shock-resistant grille
• 8 Ergonomic handles for easy transport
• 2 x M20 threads for distance poles in vertical and horizontal setups
• Securely stackable with 2 x 4 stacking-grooves
• Front LED indicator (identification, power and limiter)
• PowerCON loop-through power connection
• Fanless passive cooling system with airflow-assisted cooling of the electronics
• Optional accessories: Castor board for easy transport and protective covers

Specifications

• Peak output power 3,000 W
• RMS output power 1,500 W
• Amp class Class D
• Max. SPL peak (sine burst, halfspace/1 m, THD10 %)133 dB
• Max. SPL peak (pink noise, halfspace/1 m, CF 4) 136 dB
• Max. SPL average (sine burst, BW, halfspace/1 m, THD10 %) 129 dB
• Frequency response (-10 dB, rel. Avg)29 Hz
• Input connector types XLR 3-pole female
• Output connector types XLR 3-pole male
• Protection features Multiband Limiter, Short circuit, Overheating, Direct current
• Colour Black

Bluetooth

• Bluetooth version Bluetooth 5.1
• Features Audio Streaming (A2DP), TrueWireless Stereo, TrueWireless Mirroring, App control
• Supported audio codecs SBC, AAC

Inputs

• Number of mic/line inputs 2
• Mic/Line-in connector type XLR 3-pole female

Outputs

• Number of line outputs 2
• Line outputs connector type XLR 3-pole male

Signal processing

• AD/DA converter bit depth 24 Bit
• AD/DA converter sampling rate 48 kHz
• Min. Signal-to-noise ratio (SNR) 108 dB

Bass driver

• Size 21 in
• Outer diameter 547 mm
• Magnet Neodymium
• Voice coil 4.5 in

Mains operation

• Operation voltage 100 V AC – 240 V AC / 50 – 60 Hz
• Rated power 1,300 W
• Power supply type Switched-mode power supply (SMPS)
• Mains connector Mains socket indoor power in male & powerCON
• Mains fuseT10AH/250 V

Housing

• Design Bass reflex
• Number of handles 8
• Flange M20
• Chassis material Birch multiplex
• Material thickness 18 mm
• Coating Polyurea

Cooling

• Cooling system Convection cooling

Environmental

• Ambient temperature 0 – 40 C
• Maximum air humidity (non-condensing) 80 %

Dimensions & weight

• Width 565.5 mm
• Height 700 mm
• Depth 698.8 mm
• Weight 57 kg