Carvin Audio TS18C-4 | 18in 4 Ohm 900W RMS Woofer | 4in Voice Coil Ferrite Driver

$229.00

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18-Inch Replacement PA Woofer

The Carvin Audio TS18C-4 is a high-power 18-inch replacement woofer engineered for deep, punchy low-frequency performance in professional PA and subwoofer applications. Designed for use in TRx Series systems including the TRx3118A, this 4-ohm driver delivers powerful bass response down to 35Hz with reliable output handling up to 900 watts RMS.

Carvin Audio TS18C-4 Competitive Differences

900W RMS power handling with 4-inch high-temperature voice coil
Cast frame construction with ferrite magnet for durability and consistent performance

Carvin Audio TS18C-4 Description

The Carvin Audio TS18C-4 is built for professional sound reinforcement systems requiring strong, controlled low-frequency output. With a frequency response of 35Hz to 2.5kHz (-3dB) and a sensitivity rating of 96dB (1W/1m), this driver offers efficient performance and impactful bass in live sound and installed environments.

Its 4-inch voice coil is engineered to handle 900 watts RMS, making it ideal for high-output PA systems and subwoofer enclosures. The ferrite magnet structure ensures stable magnetic performance, while the rugged cast basket frame provides structural integrity under demanding conditions.

Optimized with carefully engineered Thiele & Small parameters, the TS18C-4 supports precise enclosure tuning for custom cabinet builds or direct factory replacement. With a net weight of 18 pounds and a solid mechanical design, it is a dependable solution for restoring or upgrading compatible Carvin TRx systems.

TS18C-4 Features

18-inch low-frequency woofer
4-ohm impedance
900 Watts RMS power handling
4-inch voice coil
Ferrite magnet structure
Cast basket frame
96dB sensitivity (1W/1m)
Frequency response: 35Hz – 2.5kHz (-3dB)
Designed for TRx3118A and TRx Series systems

TS18C-4 Specifications

Frequency Response: 35Hz – 2.5kHz (-3dB)
Power Handling: 900W RMS
Sensitivity: 96dB (1W/1m)
Impedance: 4 Ohms
Voice Coil Diameter: 4 in
Magnet Structure: Ferrite Core
Basket Frame: Cast
Net Weight: 18 lb
Overall Diameter: 18.7 in
Baffle Cutout Diameter: 17.6 in
Depth: 6.74 in
FS: 35 Hz
Re: 5.5 Ω
Qes: 0.45
Qms: 2.8
Qts: 0.39
Vas: 314 L
Sd: 1288 cm²
Xmax: ±6 mm
Mms: 156 g
Bl: 20
Le @1kHz: 1.53 mH
Mmd: 129 g
Cms: 0.14 mm/N
Rms: 12 kg/s
Warranty: 90 Days

Shipping

Orders ship from our northern NJ warehouse the same day if ordered by 3:30PM EST. Transit time ETA's are listed in the image below:

Return Policies

All orders come with our industry leading 90-Day return policy.

Cash Back or Store Credit available for returns within 30 days.
Store Credit available for returns within 31-90 days.

Restocking fees

Unopened Items: 5%
Opened but Mint Condition: 15%
Blemished, Missing/Damaged Packing or Accessories: 25%

Shipping Costs

Buyer is responsible for return shipping costs
If "Free" or discount shipping was provided with original order, our actual shipping cost will be deducted from the amount refunded/credited

Damages & Defects

We will swap any item reported as damaged or defective within 7 days of delivery for free. All transportation and replacement costs will be covered by us (within US48 states).