Mackie Thump18Sv4
Thump18Sv4 combines our 1400W Class-D active subwoofer amplifier with a 18" high-performance woofer, for massive 132 dB maximum SPL and 25 Hz low frequency performance.
Craving some extra oomph for your PA system? You need a subwoofer. Thump18Sv4 shakes the floorboards with massive bass that gets people on their feet, for moments that leave a lasting impression. Connect loudspeakers. Dial in the perfect low end. Feel the difference of a professional subwoofer that brings music alive with complex basslines and punchy kicks.
A True Workhorse for Gigging Professionals
- 1400W Class-D amplifier for 132 dB maximum SPL
- 18" high-performance woofer for 25 Hz low frequency
- Built-Like-A-Tank to conquer every gig while lightweight with built-in handles for easy loading
Tailor the Bass to Your Loudspeakers With High Pass Modes
- Connect loudspeakers to high-pass outputs and select from four modes
- All modes include 1.4 ms alignment delay
- Thump 12: Thump12v4 loudspeakers (140 Hz crossover)
- Thump 15: Thump15v4 loudspeakers (110 Hz crossover)
- Thump GO: Thump GO loudspeakers (150 Hz crossover)
- Variable: Set crossover manually to match any loudspeakers
Connect to Versatile Inputs and Outputs
- Stereo XLR inputs: Connect to DJ controller, mixer or other source
- Stereo XLR high-pass outputs: Connect to loudspeakers and select your high pass mode
- Stereo XLR full-range outputs: Chain the full, unaltered signal to the next subwoofer
Essential Subwoofer Features
- Phase invert switch
- Defeatable front LED
- Stereo or mono summing for single or dual subwoofer deployment
- Variable level control (Muted to +6 dB)
- Front LED On/Off
Physical Specs
- Built-in handles
- Rugged, modern construction
- M20 thread for SPM400 speaker pole (sold separately)
- Height: 21.3 in / 541 mm
- Width: 24.8 in / 630 mm
- Depth: 23.8 in / 605 mm
- Weight: 70.4 lb / 31.9 kg
- Shipping
- Delivery Time: 2–3 business days (excluding weekends and public holidays)
- Shipping Fee: THB 50 for orders below THB 500
- Free Shipping: For orders of THB 500 or more
- Shipping Area: Available within Thailand
- **International Shipping: Coming soon
- Returns & Refunds
- Return Period: Returns can be requested within **7 days of receiving the item**
- Return Conditions: The item is damaged during delivery, such as damaged packaging or a damaged product
- Return Conditions: The order is incomplete or items are missing
- Return Conditions: The wrong product or model was received
- Return Conditions: The issue or damage was caused by an error on our side
- Unboxing Video: **An unboxing video is required as proof.** The video must clearly show the package and its condition continuously from the beginning of the unboxing
- Important: **Without an unboxing video, we reserve the right not to accept any return or claim**
- Product Condition: Returned items must be in their original condition and include all accessories, packaging, and boxes, except where the damage was caused during delivery
- Sale Items: **Sale items, discounted items, and promotional items are non-returnable and non-refundable under all circumstances**
- How to Request a Return
- Simply click **“Request a Return”** through the platform and provide the details of the issue along with the required evidence
- Our admin team will review the information and supporting evidence before approving the return - Refunds
- Once the returned item has been received and inspected, we will confirm whether the return has been approved
- **If approved, the refund will be processed through the platform according to its refund policy and the payment method used**. The processing time may vary depending on the platform and payment provider
- **Important:** Refunds will only be processed after the return has been approved, and **shipping fees are non-refundable** unless the return is due to an error or issue caused by our store
- AUTHORISED DEALER
- MANUFACTURER WARRANTY
