SKU: 239717000

RCF TTS-18-A-II 2800W Active High Power Subwoofer - 18"

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Description

RCF TTS-18-A-II 2800W Active High Power Subwoofer - 18"RCF TTS 18 A II Overview The black RCF TTS 18 A II is an 18" 2800W active subwoofer designed to provide low frequency reinforcement for A V system installers, audio engineers, and DJs in outdoor environments or houses of worship, concert venues, and live stage applications. Its Class D amplifier delivers 2800W of power to the 18" woofer, which produces a frequency response of 30 to 400 Hz and is hyper vented for heat dissipation. 32 bit DSP processing

RCF TTS 18-A II Overview

The black RCF TTS 18-A II is an 18" 2800W active subwoofer designed to provide low-frequency reinforcement for A/V system installers, audio engineers, and DJs in outdoor environments or houses of worship, concert venues, and live stage applications. Its Class-D amplifier delivers 2800W of power to the 18" woofer, which produces a frequency response of 30 to 400 Hz and is hyper-vented for heat dissipation.

32-bit DSP processing yields simple adjustment of input gain, delay, and crossover presets. RDNet control via EtherCon I/O allows comprehensive remote parameter control and system monitoring. XLR and powerCON inputs and outputs are employed for straightforward integration with standard PA components.

The TTS 18-A II boasts a sturdy wood cabinet, built-in carry handles, and M20 pole sockets for tour readiness.

Low-Noise Electronics

The switch-mode power supply Class-D amplifier integrates a low-noise, 32-bit DSP circuit, controlled through the RCF RDNet network to handle the clipping limiters, RMS limits, polarity, amplitude, timing, and equalization. All settings, monitoring, and advanced features are available inside the integrated RDNet Networked Management software. The rear-panel encoder adjusts volume, delay, and presets.

Sturdy Cabinet

The cabinet is made of high-quality birch plywood with weatherproof treatments. The sub is stackable and lightweight for easy setup and tear down. The polyurea coating and rugged structure of the cabinet survive long-term use and transportation while the separate housing for the amplifier guarantees component efficiency and reliability. A pole receptacle on top and side allows the woofer to be deployed in various situations.

Hyper-Vented Woofer

The 18" woofer features a lightweight neodymium magnet, inside-outside copper voice coil, and silicon double spiders. In order to dissipate the heat generated by the powerful voice coil, RCF engineers have developed an internal ventilation system with low power compression. The Hyper Ventilation System is the result of a complex combination of ventilation ducts in the voice coil former, in the magnetic structure, and in the woofer's basket. Demodulation rings reduce the harmonic and intermodulation distortion due to voice coil displacement, and as input current varies, the system inductances are more linear. The cone is water-resistant.

Vented Ports

The airflow in the vented ports suffers the turbulence of the air due to the speed of air. The improved vented port is a proprietary solution that enhances aerodynamic behavior of the air, thereby gaining efficiency and reducing distortion.

RDNet Control

RDNet is a proprietary protocol that provides straightforward monitoring and intuitive control of the audio system down to every device and object. Each device has its own DSP, giving the possibility to address presets or parameters specific to single or groups of objects. A network user can change level, delay, EQ, and advanced subwoofer configurations.

RCF TTS 18-A II Specs

PA Speaker
Configuration Active Subwoofer
Total Power Capacity 2800 W Peak
1400 W RMS
Amplifier Class Class-D
Drivers
LF Driver 1 x 18" / 457.2 mm Woofer
LF Voice Coil 4" / 101.6 mm
Performance
Frequency Response 30 Hz to 400 Hz
Maximum SPL 137 dB
Input Sensitivity +4 dBu
Protections RMS, Thermal
Connectivity
Audio I/O 1 x XLR 3-Pin Input
1 x XLR 3-Pin Output
Network I/O 1 x etherCON (RDNet) Input
1 x etherCON (RDNet) Output
Signal Processing
Dynamic Processing Fast Limiter
Power
AC Power Connector 1 x powerCON Input
1 x powerCON Output
Physical
Mounting 2 x M20 (Top)
Cooling Forced Convection
Construction Material Metal Grille, Plywood
Dimensions 27.9 x 21.3 x 28.8" / 708 x 540 x 732 mm
Weight 125.6 lb / 57 kg
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      Exchange/Return Notes
      • We offer a 30-day return/exchange service after receiving.
      • Final sale items are not eligible for returns or exchanges.
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      SKU: 239717000

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      Charlottesville, US
      ★★★★★ 5
      Bold Colors, Great Quality, and an Amazing Price - Perfect Everyday Sheets
      Color: Black, Size: Full
      The Amazon Basics lightweight bed sheets have been such a great buy for my boys’ bedrooms. They come in a wide variety of colors, which made it easy to match each room’s style — and the colors stay bold and vibrant even after multiple washes, which honestly surprised me. The quality is excellent for the price. The fabric stays soft, doesn’t pill, and holds up well to frequent washing (a must in kids’ rooms!). Each set includes a fitted sheet, flat sheet, and two pillow shams, which makes the value even better — most sets at this price point don’t include that many pieces. Overall, these sheets are affordable, durable, colorful, and comfortable. I loved them enough to buy them in multiple colors, and they’ve held up beautifully. A fantastic budget-friendly choice for any household.
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      Yamilet Suárez
      Bozeman, US
      ★★★★★ 5
      Soft and Comfortable Sheets for Everyday Use
      Color: Frosted Lavender, Size: Twin, Color: Frosted Lavender, Size: Twin
      I really like these sheets. They are soft, lightweight, and fit my twin mattress perfectly. The lavender color looks beautiful in person and they feel comfortable to sleep on. After washing, they still looked nice and didn’t wrinkle much. Great quality for the price!
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      Reviewed in the United States on May 21, 2026
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      Samantha Rainwater
      Carnegie, US
      ★★★★★ 4
      Twin XL sheet set
      Color: Dutch Blue, Size: Twin XL
      Affordable 3 piece twin XL sheet set comes with fitted sheet, top sheet and pillow case. product is soft, breathable and fits Twin XL bed. Color is nice and vibrant.
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      Reviewed in the United States on June 5, 2026
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      Yildrey Hernandez
      Bozeman, US
      ★★★★★ 5
      Bed Sheets
      Color: Bright White Striped, Size: Queen
      I’m really happy with these bed sheets. They feel soft and comfortable against the skin, and the crisp white color gives the bed a clean, fresh look. The fabric is lightweight but still feels durable and well made. They fit the mattress nicely and stay in place throughout the night. After washing, they came out looking great with no noticeable shrinking or loss of softness.
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      Carolyn
      Lexington, US
      ★★★★★ 5
      Great sheet set
      Color: Blush Pink, Size: Full
      Super soft right out of the package. Thin material but should be perfect for cool nights. Blush pink is the perfect shade of pink. Love this set. Highly recommended especially at this price point.
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      Reviewed in the United States on May 30, 2026

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