Thunder-KS5P I
The Thunder-KS5P I is a high-performance, passive subwoofer featuring two 21” neodymium magnet woofers designed for powerful low-frequency output. It requires two amplifier channels to be driven, ensuring optimal performance in demanding applications. The K-Discovery mobile app provides a user-friendly interface for remote control of DSP parameters and signal routing. Additionally, the K-framework3 software enables professionals to manage a large number of units over a wired LAN.
Specifications
- Type: Passive subwoofer
- Transducers: 2x 21" Neodymium magnet woofers
- Frequency Response: 30 Hz – 150 Hz (-6 dB) (1)
- Crossover: DSP-controlled, Low Pass @ 150 Hz, preset dependent
- Max SPL: 145 dB (2)
- Nominal Impedance: 2x 4Ω
- Rated Power: 2x 2800W peak
Connectivity
- Connectors: 2x SpeakON NL4
Handling and Finishes
- Dimensions (W x H x D): 1140 x 590 x 850 mm (44.9 x 23.2 x 33.5 in) (3)
- Weight: 97.4 kg (214.7 lb)
- Material: Polyurea coated birch plywood
- Colors: Black, White, Custom RAL
Regulations
- IP Rating: IP54 (4)
Notes:
(1) With dedicated preset.
(2) Maximum SPL is calculated using a signal with crest factor 4 (12 dB) measured at 1 m.
(3) Includes 17 mm (0.7 in) removable rubber feet.
(4) For permanent installations in critical environments (swimming pools, beaches, yachts, etc.), additional protection is recommended. Contact K-array for best protection practices.
New materials and design updates may be introduced without prior notice.
Documents
Click here to view the Technical Data
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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FAQs
What is your return policy?
All refunds and returns are determined by the manufacturer's terms of sale. Change-of-mind refunds are not accepted, but all valid warranty claims will be managed by AKA Acoustics in compliance with consumer law.
How long will it take to receive my order?
Freight lead times will be provided upon order confirmation. Standard items typically ship within 4–6 weeks, while custom orders may take 6–12 weeks.
Is my payment information secure?
Yes, all payments are securely processed through Stripe and are protected under their Terms of Service. AKA Acoustics do not store any payment information ourselves.
How are freight costs calculated?
Freight costs are determined at the time of quotation to ensure accurate pricing based on your specific order. For any questions, please email sales@akaacoustics.com
How can I contact support?
For account inquiries, email accounts@akaacoustics.com. For order support, email sales@akaacoustics.com.