Thunder-KS2 I
The Thunder-KS2 I is a compact, active subwoofer featuring an 18” cone driver and a powerful 4x 1500W @ 4Ω Class D amplifier with built-in DSP. The audio power output connectors allow the Thunder subwoofers to drive a wide range of K-array passive loudspeakers. Designed to be the core of K-array sound reinforcement systems, it is compatible with midrange loudspeakers and other passive subwoofers. The K-Discovery mobile app provides a user-friendly interface for remote control of DSP parameters and easy configuration of signal routing.
Specifications
- Type: Active subwoofer
- Transducers: 18" Neodymium magnet woofer
- Frequency Response: 35 Hz - 150/450 Hz (-6 dB) (1)
- Crossover: DSP-controlled, Low Pass @ 150 Hz, preset dependent
- Max SPL: 137 dB (2)
- Coverage: Omni
- Nominal Impedance: 8Ω subwoofer
Connectivity
- Line Input: 2x XLR-F analog / AES3
- Line Output: 2x XLR-M Link analog / AES3
- Speaker Output: 2x SpeakON NL4
- Mains: powerCON TRUE1 TOP
- Networking and Data: 1x RJ45, 4x USB-A
Controllers
- Wi-Fi dedicated Mobile App
- K-framework3 via wired Ethernet connection
Handling and Finishes
- Dimensions (W x H x D): 650 x 500 x 580 mm (25.6 x 19.7 x 22.8 in) (3)
- Weight: 37.6 kg (82.9 lb)
Documents
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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.