StudioMaster TRX18S Subwoofer

Specification Details

Model StudioMaster TRX18S

Brand StudioMaster

Speaker Type Passive Subwoofer

Configuration 1 × 18-inch

LF Driver 18-inch (50cm)

LF Voice Coil 100mm

Power Rating 600W

Frequency Response 38Hz–250Hz

Maximum SPL 130dB

Net Weight 47.5kg

Dimensions To be confirmed against the official manufacturer's datasheet

Amplification Passive – External Power Amplifier Required

StudioMaster TRX18S 18-Inch 600W Passive Subwoofer

The StudioMaster TRX18S is a professional 18-inch passive subwoofer designed to enhance low-frequency performance in karaoke systems, live stages, auditoriums, restaurants, wedding venues, DJ applications, and professional event sound systems.

Equipped with an 18-inch (50cm) LF driver featuring a 100mm voice coil, the StudioMaster TRX18S delivers powerful, deep, and solid bass reproduction. Its large-format woofer enhances low-frequency performance, providing a rich and energetic bass foundation for professional sound systems.

The subwoofer features a published power rating of 600W, a frequency response of 38Hz–250Hz, and a maximum sound pressure level (Max SPL) of up to 130dB according to the published specifications.

With its ability to reproduce frequencies down to 38Hz, the TRX18S supports deep bass, powerful kick drums, and immersive low-frequency effects.

As a passive subwoofer, the StudioMaster TRX18S requires an external power amplifier to operate. This design provides flexibility in amplifier selection and allows sound engineers to configure the system according to their specific requirements.

In addition to its audio performance, the TRX18S features a robust enclosure designed for professional low-frequency applications. With a net weight of 47.5kg, it is suitable for both permanent installations and professional mobile sound reinforcement systems.

1. 18-Inch LF Driver – Deep and Powerful Bass

The StudioMaster TRX18S is equipped with an 18-inch (50cm) low-frequency driver, delivering powerful and energetic bass reproduction.

Its large driver size supports the reproduction of low-frequency content, kick drums, and bass instruments with a full and solid sound.

The 18-inch LF configuration is widely used in professional subwoofer systems, particularly in applications requiring deep and powerful bass performance.

The TRX18S can effectively enhance the overall audio experience when integrated with full-range speakers or professional line array systems.

2. 100mm Voice Coil – Professional Driver Design

One of the key features of the StudioMaster TRX18S is its 18-inch LF driver equipped with a 100mm voice coil.

The large voice coil is designed to meet the operating demands of subwoofer systems in professional audio applications.

The combination of an 18-inch LF driver and a 100mm voice coil supports low-frequency signal handling and bass reproduction for stage performances, events, and professional karaoke installations.

3. 600W Power Rating – Powerful Audio Performance

The StudioMaster TRX18S features a published power rating of 600W, making it suitable for low-frequency reinforcement in various professional sound systems.

With its passive design, the subwoofer requires a compatible external power amplifier.

One of the advantages of this configuration is the flexibility to select amplification equipment according to the number of speakers, system configuration, and actual application requirements.

When properly matched with a suitable amplifier, the TRX18S can deliver effective performance in professional stages, auditoriums, karaoke installations, DJ systems, and event sound reinforcement applications.

4. Frequency Response: 38Hz–250Hz – Deep and Powerful Bass Reproduction

The StudioMaster TRX18S offers a frequency response of 38Hz–250Hz according to its published specifications.

This dedicated low-frequency range allows the subwoofer to reproduce bass content that conventional full-range speakers may not fully reproduce on their own.

• Sub-bass frequencies: Support the reproduction of low-frequency content, creating a deep and powerful bass experience.
• Low bass frequencies: Deliver kick drums, bass instruments, and other low-frequency musical elements.
• Upper bass frequencies: Add fullness and energy to the musical foundation, making the overall sound more dynamic.

With its ability to reproduce frequencies down to 38Hz, the TRX18S is suitable for various music genres, including acoustic music, live performances, DJ sets, and electronic music.

5. 130dB Max SPL – Impressive Sound Output

The StudioMaster TRX18S offers a maximum sound pressure level (Max SPL) of up to 130dB according to the published specifications.

This sound pressure capability supports low-frequency reinforcement in larger venues and professional sound systems operating at high output levels.

When combined with compatible full-range speakers or line array systems, the TRX18S adds low-frequency energy, creating a powerful, fuller, and deeper overall sound.

It is an excellent solution for live stages, auditoriums, professional karaoke systems, and event sound reinforcement.

6. Robust Enclosure – Designed for Professional Bass Applications

The StudioMaster TRX18S features a robust enclosure designed to accommodate its professional 18-inch subwoofer driver.

The cabinet plays an important role in supporting the LF driver's operation, controlling acoustic resonance, and contributing to low-frequency reproduction.

Its solid construction helps protect the internal components and reduce unwanted cabinet vibration during operation.

The enclosure design makes the product suitable for permanent installations, live stages, and professional audio rental applications.

7. Flexible Integration with Professional Sound Systems

The StudioMaster TRX18S is a passive subwoofer that allows users to select compatible power amplifiers and signal processing equipment.

It can be integrated with:

• StudioMaster full-range speakers.
• Professional line array systems.
• Compatible power amplifiers.
• Digital signal processors (DSP).
• Professional crossover systems.
• Mixers and PA sound systems.

Using a DSP processor or crossover helps distribute frequencies appropriately between the subwoofer and full-range speakers, optimizing overall system performance.

8. 47.5kg Weight – Suitable for Professional Sound Systems

The StudioMaster TRX18S has a published net weight of 47.5kg, reflecting its professional 18-inch subwoofer construction.

With its large-format LF driver, the product is suitable for permanent installations, stage systems, and professional audio rental applications.

Appropriate handling equipment is recommended during transportation and installation to ensure safe and convenient operation.

9. Applications of the StudioMaster TRX18S

With its 18-inch LF driver, 600W power rating, 130dB Max SPL, and 38Hz–250Hz frequency response, the StudioMaster TRX18S is suitable for a wide range of applications:

• Professional stage sound systems.
• Auditoriums and event centers.
• Professional karaoke systems.
• Commercial karaoke rooms and entertainment venues.
• DJ and electronic music performances.
• Acoustic cafés and music lounges.
• Restaurants, wedding venues, and conference centers.
• Bars, clubs, and beer clubs.
• Professional PA systems.
• Full-range speaker and subwoofer configurations.
• Mobile sound reinforcement systems.

10. StudioMaster TRX18S – A Professional 18-Inch Subwoofer Solution

Combining an 18-inch LF driver, a 100mm voice coil, and a published power rating of 600W, the StudioMaster TRX18S provides a powerful low-frequency reinforcement solution for professional sound systems.

Its 38Hz–250Hz frequency response delivers deep, solid, and energetic bass reproduction. With a maximum SPL of 130dB, the subwoofer supports impressive performance in a variety of professional environments.

Its passive design allows users to select compatible power amplifiers, DSP processors, and other audio equipment to build a professional PA system.

The StudioMaster TRX18S is an excellent choice for stages, auditoriums, professional karaoke systems, DJ applications, wedding venues, and event sound reinforcement.

StudioMaster TRX18S – Deep Bass, Powerful Performance, Professional Sound Reinforcement.