Subwoofer amplifier Dual 18-inch, 4000-watt, suspended Cardioid speakers for professional-grade, ultra-deep bass performance - Model VTX S28
- The JBL VTX S28 subwoofer is one of the most powerful professional subwoofers developed by JBL in the VTX series, combining massive power and precise audio control with a smart design that can be hung and floor-mounted.
- Subwoofer amplifier comes Equipped with two 18-inch 2269H Differential Drive® units that utilize dual neodymium magnets and two acoustic coils to achieve stunning bass performance up to 29 Hz with maximum clarity.
- The VTX S28 allows for multiple playback configurations, either Omnidirectional for comprehensive coverage, or Cardioid to reduce background noise and improve sound directionality.
- A subwoofer can be suspended in VTX V25 Line Array systems to extend the low-frequency range, or used separately to generate deep bass at festivals and major events.
Technical description:
- The subwoofer speaker was designed The VTX S28 offers incredible flexibility in use, whether in air suspension or ground stacking.
- The 2269H speakers utilize advanced Ultra Long Excursion Differential Drive® technology to deliver powerful sound pressure without distortion, even at extreme operating levels.
- The speaker integrates with the BSS® OmniDriveHD V5 DSP Processing system via Crown Audio I-Tech HD or VRack amplifiers, with full control via JBL HiQnet Performance Manager™ software for high-precision frequency response and signal processing.
- Its robust design, crafted from Finnish birch wood with a black DuraFlex™ coating, also makes it ideal for intensive use in field and professional environments.
Technical specifications:
- Type: 18-inch dual subwoofer, suspended and supports cardioid array.
- Electrical power: 4000 watts (2000 x 2)
- Frequency range (-10 dB): 29 Hz – 90 Hz
- Coverage patterns: Omnidirectional or Cardioid
- Maximum sound pressure (SPL): 139 dB (Preset: VTX S28-80)
- Processing and amplification:
- Crown Audio I-Tech HD / VRack Amplifiers
- BSS OmniDriveHD V5 DSP Digital Processing
- Nominal impedance: 2 x 8 ohms
- LF amplifiers:
- (2) JBL 2269H – 18-inch – Dual Neodymium Magnets – Dual Voice Coils – Differential Drive® Technology
- Material:
- High-density Finnish birch wood
- DuraFlex™ black coating is shock and scratch resistant
- Handles: 10 built-in handles for easy transport and hanging
- Unit connection angles: 0° to 10°
- Dimensions (height x width x depth):
- 493 × 1222 × 926 mm
- (19.4 × 48.1 × 36.5 inches)
- Net weight: 83 kg (183 lbs)
Key features:
- Two 18-inch speakers with Differential Drive® technology to generate massive sound power and deep bass response.
- Configurable Cardioid design to reduce bass leakage and improve acoustic routing.
- It can be hung or floor-stalled with high flexibility to meet various acoustic applications.
- Compatible with the VTX V25 system and can be mounted on top of or in the middle of the array for balanced audio coverage.
- The Direct Cooled™ cooling system ensures consistent performance even during prolonged operation.
- The durable DuraFlex™ coating protects the speaker from environmental factors during outdoor use.
- Full integration with Crown HD amplifiers and BSS DSP processing via HiQnet Performance Manager™ software.
Product summary:
- The JBL VTX S28 subwoofer comes as an ideal choice for large shows that require deep, consistent bass with precise geometric control of acoustic direction and propagation.
- It combines superior power (4000 watts) with high installation flexibility to provide consistent performance whether at outdoor parties, large halls, or theaters.
- This headset gives you the ability to achieve homogeneous and precisely directed sound thanks to Cardioid Arraying, with the ability to create massive multi-unit systems to increase sound density without loss of quality.
Additional features:
- Can be mounted in the middle or top of V25 systems to extend the vertical bass range.
- It supports cardioid or front-firing distribution to adapt the sound to the location.
- Perfect bass distribution to cover theaters or stadiums without interference or background noise.
- It works in perfect harmony with the Crown VRack and BSS DSP systems for complete professional control.
- Robust engineering design that withstands intensive use and frequent transport.
Applications used for the product:
- Live performances and huge music festivals.
- Professional theaters and large concert halls.
- Sports stadiums and outdoor events.
- Trade events and major exhibitions.
- Fixed installations and integrated audio systems.
Summary and final advice:
- If you are looking for a subwoofer amplifier Dual 18-inch professional 4000-watt speakers combine deep bass, power, and precise sound routing, making the JBL VTX S28 the perfect choice.
- Thanks to Differential Drive® and Cardioid Arraying technologies, the subwoofer delivers an amazing bass experience even in the biggest theaters and festivals.
- It is designed to meet the needs of professionals seeking unparalleled performance at every low frequency, operational stability, and ease of installation — it is, in short, the epitome of power and precision in the professional subwoofer world.
