Description
The DOWN4SOUND TCX 18” Subwoofer D2 is built for extreme output, heavy power handling, and clean low-end delivery. Featuring a 3" 8-layer flat aluminum voice coil, carbon fiber cone, stitched high-roll surround, and an oversized 5-stack Y35 ferrite motor, this subwoofer is engineered to dominate both daily systems and demo builds.
With a triple-spider suspension, fully vented motor structure, and extended pole piece, the TCX-18 D2 is optimized for long throw and sustained abuse. From punchy lows to extended sweeps, it delivers consistent pressure without breaking a sweat.
Key Features
- 2700W RMS power handling
- Dual 2-ohm voice coil (D2)
- 3-inch 8-layer flat aluminum voice coil
- Carbon fiber cone
- ~39 mm one-way Xmax
- 5-stack Y35 heavy-duty motor
- Stitched high-roll surround
- Triple-spider suspension
- Dual flared pole vent, gap venting, and fully vented motor & backplate
Technical Specifications (T/S Parameters)
- Resonance Frequency (Fs): 30.207 Hz
- Qms: 5.202
- Qes: 0.598
- Qts: 0.521
- Mms (Moving Mass): 620.257 g
- Cms (Compliance): 39.745 μm/N
- Vas: 24.882 L
- Sd: 113.411 cm²
- BL Product: 27.216 T·m
- Sensitivity (SPL): 83.9 dB
- Xmax: ~39 mm (one-way)
- Driver Displacement: 0.31 cu ft
Engineering and Construction
- Extended pole piece for smooth, clean long-throw travel
- Dual flared pole vent and gap venting for reduced turbulence
- Fully vented backplate and motor structure for thermal control
- Precision-wound 3″ 8-layer flat aluminum voice coil (bifilar) on a 0.3 mm anodized aluminum former
- Carbon fiber cone for rigidity, fast response, and reduced flex
- Built to survive high power, long sessions, and real-world abuse
Recommended Enclosure
- Ported: 5.5 – 6.5 cu ft
- Recommended Tuning: 30 Hz
Optimized for deep, high-output low-frequency performance
Physical Dimensions (Key Installation Specs)
- Mounting Cutout Diameter (Through Cut): 16.54 in (420 mm)
- Overall Cutout Diameter (Flush-Mount Recess): 18.35 in (466 mm)
- Mounting Depth: 14.25 in (361.95 mm)
- Motor Diameter: 9.45 in (240 mm)
- Net Weight: 104.72 lb
- Gross Weight: 116 lb
Warranty Information
Warranty Information
Your new Down4Sound product is covered by 1 limited warranty if purchased from Down4Sound or an authorized Down4Sound dealer. This warranty does not cover improper installation, accidental damage, misuse, abuse, improper wiring, operation of unit outside of listed specifications, or any product that has been modified or repaired by anyone other than Down4Sound. Your warranty covers defects in materials and/or workmanship ONLY and is not an insurance policy. The warranty only covers the original owner of the amplifier.
All warranty returns must be accompanied by the original sales invoice or receipt. You must contact us to request an RMA number prior to sending any returns via the RMA request form on our website. You are responsible for the cost of shipping your product back to us for warranty examination. If your product is covered under warranty, shipping back to you will be at no charge to you – if your product is replaced/repaired outside of warranty you must pay for return shipping and repair bill prior to the return of the product or if no defect is found you are required to pay for return shipping only.
At the sole discretion of Down4Sound your product will be either repaired or replaced when it is being covered under warranty. In the event of shipping damage due to improper packaging on products being returned to Down4Sound the customer is liable for the cost of all damages, necessary repairs, or replacement. Be sure to properly pack your return!
* Extended additional warranty purchased on amplifiers take effect from the date of purchase and must also be stated on original sales invoice or receipt.
Refund/Return Policy: https://www.down4soundshop.com/shipping-returns/
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Additional Information
Model: |
TCX |
Ohm: |
1 |
Subwoofer Size: |
18 |
Product Type: |
Subwoofer |
Subwoofer Type: |
DUAL VOICE COIL |