LD Systems ICOA SUB Pro 21 A
Professional music gear - detailed information and where to buy
LD Systems
ICOA SUB Pro 21 A
Product Info
Article Number:
614891
Brand:
LD Systems
Model:
ICOA SUB Pro 21 A
Category:
Active Subwoofers
Price:
$2,682.90
* Prices may vary. Check retailer for current pricing and availability.
This ICOA SUB Pro 21 A is a serious low-end powerhouse. It’s built like a tank and delivers truly deep bass – perfect for DJs, live bands playing larger venues, or anyone needing serious sub-bass reinforcement. The DSP and Bluetooth features add a lot of value, but be ready to move it – it's a hefty piece of gear.
Product Description
- LD Systems ICOA SUB Pro 21 A
- Active 21" Bassreflex Subwoofer
- Powerful low-end up to 29 Hz
- Class D power amplifier
- Speaker configuration: 21" woofer and 4.5" voice coil
- Power: 1500 W RMS / 3000 W Peak
- Max. sound pressure level: 136 dB
- SysCore DSP with extended limiters including temperature and voltage monitoring
- 4-band PEQ and six application presets
- Bluetooth 5.1 and stereo streaming (TWS) with two ICOA PROs
- Free app for remote customisation via smartphone and tablet (iOS and Android)
- Line delay for up to 50 metres
- Front LED display
- 8 ergonomic handles
- Two M20 threads
- 2 x 4 stacking grooves
- Fanless passive cooling system with airflow-supported cooling of the electronics
- Mic/line inputs: Two XLR 3-pin female
- Line outputs: Two XLR thru 3-pin male
- Dimensions (W x H x D): 566 x 700 x 699 mm
- Weight: 57 kg
- Colour: Black
PROS
- • Impressive low-frequency extension reaching down to 29Hz delivers powerful bass.
- • SysCore DSP offers comprehensive protection and precise EQ customization.
- • Bluetooth 5.1 with TWS provides flexible wireless connectivity options.
- • Robust construction with ergonomic handles and stacking grooves ensures portability.
CONS
- • The substantial weight will require multiple people for transport and setup.
- • The feature set, while extensive, might be overkill for smaller, simpler applications.
- • Passive cooling, while quiet, could be less effective in extremely hot environments.
Product Video
Key Features
Power (Watts)
1500 RMS / 3000 Peak
Woofer Size
21"
Frequency Range
30 Hz - 2 kHz (estimated, based on woofer size and amp capabilities)
Max SPL
136 dB
Crossover
Integrated, adjustable via DSP (likely around 80-120 Hz, but not explicitly stated)
Weight
Approximately 115 lbs (estimated based on 21" subwoofer construction)
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Frequently Asked Questions
The SysCore offers significantly more control and protection, including temperature and voltage monitoring, preventing damage and optimizing performance.
While it can function with lower-powered amps, you'll be severely limiting its potential; a robust amplifier is essential to fully utilize its power and low-frequency capabilities.
The Bluetooth is reliable for background music or pre-recorded tracks, but latency could be an issue for real-time performance; wired connections are always preferable for live audio.
