Updated 17 May 2026
| Brand | LD Systems |
| Category | Musical Instruments |
| Available at | 1 UK stores |
LD Systems
LD Systems ICOA SUB PRO 21 A Active PA Subwoofer
£2000.00
Cheapest at Gear4music · 1 store
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PRICE HISTORY
Current
£2048
Change
+12.6%
Avg
£1916
Low
£1799
High
£2048
Volatility
3.2%
PRODUCT DESCRIPTION
- Deep Bass Big Impact The massive 21&rdquo
- driver with neodymium motor and 4.5&rdquo
- voice coil delivers a tight punchy response with low-end extension down to 29 Hz. With 136 dB max SPL it&rsquo
- s powerful enough to drive large venues with ease while remaining musical and responsive for a wide range of genres. Advanced DSP & Cardioid Mode SysCore®
- DSP includes six application presets (including cardioid) 4-band PEQ and adjustable delay settings. Advanced limiters manage voltage temperature and headroom to protect the driver at high output. The free control app makes setup and tuning easy even when the sub is hidden from view. Silent Reliable Operation Unlike fan-cooled systems the SUB 21 A uses a fanless aluminium cast heat sink and port airflow for passive cooling. This makes it ideal for quiet stages and noise-sensitive events. Its housed in rugged birch plywood with polyurea coating for impact and weather resistance. Road Ready & Stackable The cabinet includes eight ergonomic handles M20 pole mounts and stacking grooves for easy rigging. Optional accessories like castor boards and protective covers are available for easier transport and protection in tough environments. Features Delivers 1500 watts RMS power and max SPL of 136 dB 21" subwoofer with neodymium motor and 4.5&rdquo
- voice coil for powerful low end SysCore DSP with presets PEQ cardioid mode and adjustable delay Fanless passive cooling system with aluminium heat sink Free app for remote configuration and setup (iOS/Android) Stackable birch plywood enclosure with polyurea coating Includes 2 x M20 thread mounts and 8 ergonomic handles Specifications Power Output: 1500W RMS / 3000W Peak Max SPL: 136dB Driver Size: 21" Woofer with 4.5" Voice Coil Frequency Response: 29Hz &ndash
- (Upper Cutoff Not Specified) Inputs: 2 x XLR Outputs: 2 x XLR THRU DSP: SysCore®
- DSP with 6 Presets PEQ Cardioid Mode Delay Mounting: 2 x M20 Thread Mounts Enclosure: Birch Plywood with Polyurea Coating Control: Free App (iOS & Android) with Full Remote Adjustment Dimensions (H x W x D): 700 x 610 x 750mm Weight: 47.4kg Product Code: LDICOASUB21APRO