StudioMaster INSTA CUBE4 Coaxial Full-Range Speaker

Specification Details

Model StudioMaster INSTA CUBE4

Product Series INSTA Series

Speaker Type Passive 2-Way Coaxial Loudspeaker

LF Driver 1 × 4-inch

LF Voice Coil 35mm

HF Driver 1 × 1.3-inch

HF Diaphragm 34mm

Magnet Type Neodymium (LF and HF)

Rated Power 100W RMS

Peak Power 400W Peak

Nominal Impedance 8Ω or 16Ω

Frequency Response 100Hz – 20kHz (-10dB)

Sensitivity 87dB (1W/1m)

Maximum SPL 113dB Peak (@1m)

Coverage Angle 80° × 80° (H × V)

Connectors 2 × 4-Pole Speaker, 1 × 4-Pole Phoenix

Mounting Included U-Bracket, M10 Fixing Points

Available Colors Black or White

Enclosure Material Aluminium

Dimensions (W × H × D) 145 × 156 × 143mm (including bracket)

Net Weight 2.4kg

StudioMaster INSTA CUBE4 4-Inch 100W Coaxial Full-Range Speaker

The StudioMaster INSTA CUBE4 is a professional passive 2-way coaxial full-range loudspeaker from the StudioMaster INSTA Series, designed for commercial audio installations, cafés, restaurants, hotels, showrooms, shopping malls, meeting rooms, and other environments requiring high-quality sound reproduction in a compact and elegant enclosure.

Featuring a coaxial driver configuration with a 4-inch LF driver and a 1.3-inch HF driver, both equipped with premium Neodymium magnets, the StudioMaster INSTA CUBE4 delivers detailed, balanced, and consistent sound reproduction.

With a rated power of 100W RMS, a peak power handling of 400W, and an 80° × 80° coverage angle, this speaker provides excellent performance for background music, public address, and commercial sound reinforcement applications.

Its premium aluminium enclosure and versatile mounting options make the INSTA CUBE4 an ideal choice for professional installations where sound quality, compact dimensions, and aesthetic appearance are equally important.

1. 2-Way Coaxial Design – Accurate and Consistent Sound Reproduction

The StudioMaster INSTA CUBE4 features a professional 2-way coaxial loudspeaker configuration, with the low-frequency and high-frequency drivers positioned concentrically on the same acoustic axis.

The driver configuration consists of:

• LF: 1 × 4-inch driver with a 35mm voice coil.
• HF: 1 × 1.3-inch driver with a 34mm diaphragm.
• Neodymium magnets for both LF and HF drivers.

The coaxial design allows sound from different frequency ranges to originate from a common acoustic point, helping improve phase coherence and sound distribution throughout the listening area.

This configuration delivers natural sound reproduction, clear speech intelligibility, and detailed background music, making it particularly suitable for fixed commercial audio installations.

2. Premium Neodymium Drivers – High Performance in a Compact Design

One of the key features of the StudioMaster INSTA CUBE4 is its advanced driver system, which incorporates Neodymium magnets in both the LF and HF sections.

Neodymium is a high-energy magnetic material that allows loudspeaker drivers to achieve optimized size and weight while maintaining effective performance.

The 4-inch LF driver features a 35mm voice coil and a 100W power rating, reproducing midrange and low-mid frequencies with clarity and precision.

The 1.3-inch HF driver features a 34mm diaphragm and an aluminium flat-wire voice coil, providing detailed and articulate high-frequency reproduction.

Furthermore, the HF diaphragm incorporates PEEK composite sound film, contributing to improved acoustic performance and driver durability.

3. 100W RMS / 400W Peak – Professional Audio Performance

The StudioMaster INSTA CUBE4 offers a rated power handling of 100W RMS and a peak power handling capacity of 400W.

This power capability makes the speaker suitable for commercial audio systems, background music, public address, and light live performance applications in small and medium-sized spaces.

Its 2-way coaxial configuration provides clear vocal reproduction, detailed musical instruments, and natural sound performance.

As a passive loudspeaker, the INSTA CUBE4 requires an external power amplifier or suitable professional amplification system. Users should select compatible amplification equipment according to the speaker's power rating and impedance to ensure reliable operation.

4. 80° × 80° Coverage – Consistent Sound Distribution

The StudioMaster INSTA CUBE4 features an 80° horizontal and 80° vertical coverage angle.

Its wide dispersion helps distribute sound effectively throughout the listening area, reducing excessive sound concentration in a single position.

Combined with its coaxial driver configuration, the 80° × 80° coverage makes the speaker particularly suitable for nearfield applications and distributed commercial sound systems.

By installing multiple speakers at appropriate positions, sound engineers can create an effective distributed audio system that provides clear and consistent sound throughout the venue.

5. Wide Frequency Response: 100Hz – 20kHz

The StudioMaster INSTA CUBE4 offers a frequency response of 100Hz to 20kHz (-10dB).

This frequency range allows the speaker to reproduce vocals, musical instruments, and audio content across the midrange and high-frequency spectrum.

With high-frequency reproduction extending up to 20kHz, the speaker delivers detailed and articulate sound, providing a natural and comfortable listening experience.

For applications requiring deeper and more powerful bass, the INSTA CUBE4 can be paired with the StudioMaster INSTA SUB8 or INSTA SUB8A subwoofer to enhance low-frequency performance and create a more complete sound system.

6. Premium Aluminium Enclosure – Durable and Elegant Construction

The StudioMaster INSTA CUBE4 features a premium aluminium enclosure, providing a modern appearance, excellent durability, and a professional finish.

Its elegant enclosure design makes it suitable for installations where aesthetics are important, including hotels, restaurants, showrooms, and premium retail environments.

The front of the speaker is protected by a tough steel grille, helping protect the drivers against physical impacts during installation and everyday operation.

The enclosure also incorporates specialized internal acoustic wadding to help optimize the speaker's acoustic performance.

The INSTA CUBE4 is available in black and white finishes, allowing it to blend seamlessly with different interior design styles.

7. Flexible Installation – U-Bracket and M10 Mounting Points

One of the major advantages of the StudioMaster INSTA CUBE4 is its versatile installation design.

The speaker comes with an included U-bracket, allowing secure mounting and convenient angle adjustment according to the listening area.

In addition, M10 fixing points are provided on all four sides, supporting different suspension and mounting configurations.

The INSTA CUBE4 can also be mounted directly on a microphone stand, providing additional flexibility for mobile applications and installations requiring frequent repositioning.

With compact dimensions of just 145 × 156 × 143mm (including bracket) and a net weight of 2.4kg, the speaker is easy to transport, handle, and install.

8. Professional Connectivity – Flexible System Integration

The StudioMaster INSTA CUBE4 features professional connection options, including:

• 2 × 4-pole speaker connectors.
• 1 × 4-pole Phoenix connector.

Both connection types support input and link output facilities, making it convenient to connect and expand multi-speaker systems.

The speaker is available in two nominal impedance versions: 8Ω and 16Ω, allowing sound engineers to select the appropriate configuration according to amplifier compatibility and system requirements.

The Phoenix connection also facilitates integration into permanent commercial audio installations and professional sound reinforcement projects.

9. Applications of the StudioMaster INSTA CUBE4

With its compact coaxial design, 100W RMS power handling, and 80° × 80° coverage, the StudioMaster INSTA CUBE4 is suitable for a wide range of applications:

• Café and acoustic café sound systems.
• Restaurants, hotels, and hospitality venues.
• Showrooms and retail stores.
• Shopping malls and exhibition centers.
• Meeting rooms and conference facilities.
• Professional background music (BGM) systems.
• Public address and announcement systems.
• Fitness centers, spas, and commercial spaces.
• Permanent commercial audio installations.
• Professional sound systems requiring compact and aesthetically pleasing speakers.

10. StudioMaster INSTA CUBE4 – A Compact Coaxial Speaker Solution for Professional Audio Installations

Combining a professional 2-way coaxial design, premium Neodymium drivers, 100W RMS power handling, 80° × 80° coverage, and an elegant aluminium enclosure, the StudioMaster INSTA CUBE4 is an excellent solution for commercial audio systems requiring clear sound reproduction, consistent coverage, and sophisticated aesthetics.

Its compact construction, versatile U-bracket mounting system, M10 fixing points, and professional connectivity make it easy to integrate into a wide range of installation projects.

When paired with the StudioMaster INSTA SUB8 or INSTA SUB8A subwoofer, the INSTA CUBE4 creates a more complete sound system, delivering excellent performance for background music, public address, and commercial entertainment applications.

StudioMaster INSTA CUBE4 – Compact Design, Coaxial Precision, Professional Sound.