What type of amplifier does the SubZero C15 require?

The C15 is a passive speaker, meaning it requires an external power amplifier to produce sound. Users should ensure their amplifier matches the power handling and impedance specifications of the speaker.

What size is the main driver in the C15?

The speaker features a high-quality 15-inch woofer. This size is typically used for providing more bass and volume compared to smaller 8-inch or 10-inch models.

Does the C15 have a built-in tweeter?

Yes, it is equipped with a piezo tweeter. This component is responsible for reproducing high-frequency sounds with precision.

Can the SubZero C15 be mounted on a speaker stand?

Yes, it includes a built-in 35mm pole socket. This is a industry-standard size that fits most speaker tripods and mounting poles.

Is the C15 an active or passive speaker?

The SubZero C15 is a passive speaker. Unlike the SubZero P15X, it does not have an internal power supply or built-in amplifier.

What kind of venues is this speaker best suited for?

It is designed for small to medium-sized venues. Its 15-inch driver makes it suitable for mobile performers, DJs, and public speaking events in these spaces.

How is the speaker protected during transport?

The C15 features a heavy-duty carpeted enclosure and a robust metal grille. These materials help protect the internal woofer and tweeter from physical damage.

Are there handles on the C15?

Yes, the speaker includes integrated handles. These are designed to make transporting the unit hassle-free for mobile users.

What is the exterior finish of the speaker?

The enclosure is finished in a durable carpet material. This is a common choice for mobile PA gear as it resists scratches better than some painted finishes.

Does this speaker include internal DSP?

No, as a passive speaker, it does not have Digital Signal Processing (DSP). Users looking for DSP should consider active alternatives like the SubZero P15X.

Can I use the C15 as a floor monitor?

While primarily a front-of-house PA speaker, its rugged design allows for various placements. However, SubZero also produces dedicated monitors like the C10M for floor-specific use.

How does the C15 compare to an 8-inch active subwoofer?

The C15 is a full-range PA speaker designed for mids and highs as well as bass, whereas a unit like the AVCOM 8" Active Subwoofer is specialized solely for low frequencies and contains its own power amp.

Gear article

SubZero C15 Passive PA Speaker

The SubZero C15 is a passive public address speaker featuring a 15-inch woofer and a piezo tweeter. It is designed for mobile performers and small to medium-sized venues, offering a heavy-duty carpeted enclosure and a standard 35mm pole mount.

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Overview

The SubZero C15 Passive PA Speaker is a budget-orientated reinforcement solution intended for live performance environments. It is characterised by its rugged build and simple internal architecture. As a passive unit, it requires an external power amplifier to operate, making it a suitable component for existing sound systems where central amplification is already established.

Key Features and Design

The speaker is housed in a heavy-duty enclosure designed to withstand the physical demands of transport and live use. Key design elements include:

Transducers: A 15-inch low-frequency woofer paired with a piezo tweeter for high-frequency reproduction.
Protection: A robust metal grille protects the internal components from impact.
Portability: Integrated handles are built into the sides of the chassis to facilitate easy movement.
Mounting: A standard 35mm pole socket allows the speaker to be elevated on stands for better sound dispersion.

Acoustic Performance

The C15 is engineered for high-precision sound reproduction across the frequency spectrum. The 15-inch woofer provides a significant surface area for moving air, which is beneficial for low-mid and bass frequencies in small to medium rooms. The piezo tweeter handles the higher frequencies, ensuring that vocals and instruments remain articulate during performances.

Market Position and Comparisons

Within the SubZero range, the C15 serves as a passive alternative to the SubZero P15X, which includes active DSP. While active speakers like the dB Technologies B-Hype 15 or RCF ART 735-A MK5 provide built-in amplification and processing, the C15 offers a more cost-effective entry point for users who prefer modular systems. It is significantly more affordable than high-end active monitors like the RCF NX 915-SMA or specialized subwoofers such as the QSC KLA181.

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Frequently asked questions

What type of amplifier does the SubZero C15 require?: The C15 is a passive speaker, meaning it requires an external power amplifier to produce sound. Users should ensure their amplifier matches the power handling and impedance specifications of the speaker.
What size is the main driver in the C15?: The speaker features a high-quality 15-inch woofer. This size is typically used for providing more bass and volume compared to smaller 8-inch or 10-inch models.
Does the C15 have a built-in tweeter?: Yes, it is equipped with a piezo tweeter. This component is responsible for reproducing high-frequency sounds with precision.
Can the SubZero C15 be mounted on a speaker stand?: Yes, it includes a built-in 35mm pole socket. This is a industry-standard size that fits most speaker tripods and mounting poles.
Is the C15 an active or passive speaker?: The SubZero C15 is a passive speaker. Unlike the SubZero P15X, it does not have an internal power supply or built-in amplifier.
What kind of venues is this speaker best suited for?: It is designed for small to medium-sized venues. Its 15-inch driver makes it suitable for mobile performers, DJs, and public speaking events in these spaces.
How is the speaker protected during transport?: The C15 features a heavy-duty carpeted enclosure and a robust metal grille. These materials help protect the internal woofer and tweeter from physical damage.
Are there handles on the C15?: Yes, the speaker includes integrated handles. These are designed to make transporting the unit hassle-free for mobile users.
What is the exterior finish of the speaker?: The enclosure is finished in a durable carpet material. This is a common choice for mobile PA gear as it resists scratches better than some painted finishes.
Does this speaker include internal DSP?: No, as a passive speaker, it does not have Digital Signal Processing (DSP). Users looking for DSP should consider active alternatives like the SubZero P15X.
Can I use the C15 as a floor monitor?: While primarily a front-of-house PA speaker, its rugged design allows for various placements. However, SubZero also produces dedicated monitors like the C10M for floor-specific use.
How does the C15 compare to an 8-inch active subwoofer?: The C15 is a full-range PA speaker designed for mids and highs as well as bass, whereas a unit like the AVCOM 8" Active Subwoofer is specialized solely for low frequencies and contains its own power amp.