QSC SC-423C-F – Flyable Bi/Tri-Amp 3-Way 2x15-Inch Cinema Screen Channel Loudspeaker is backordered and will ship as soon as it is back in stock.
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Product Overview
The QSC SC-423C-F is a flyable three-way, bi- or tri-amplified screen channel loudspeaker from the DCS Digital Cinema Series, developed for large-format motion-picture playback. It comprises the MH-1075C-F mid-high system and the LF-4215-F dual-15-inch low-frequency system, which join into a single flyable unit.
Built from tour-grade plywood with extensive rigging points, the SC-423C-F is engineered for large premium auditoriums and large-format cinema installations requiring suspended screen channels.
Product Description

The MH-1075C-F features a high-output, horn-loaded 10-inch midrange cone driver and a 3-inch (75 mm) titanium-diaphragm compression driver, with a driver-protection network, passive crossover for bi-amp operation, and power-limiter circuitry protecting the high-frequency driver. It provides increased high-frequency output for large rooms.
The 10-inch cone driver operates as low as 250 Hz with a crossover up to 1800 Hz, reproducing most of the dialogue range from a single element for unmatched intelligibility. The mid-high and LF enclosures share common dimensions to facilitate vertical or horizontal arrays and are constructed of heavily braced 15 mm tour-grade plywood.
Sixteen M10 attachment points per enclosure enable safe, straightforward suspension with installer-provided hardware. Low-distortion waveguides deliver articulate dialogue. The SC-423C-F integrates with QSC cinema subwoofers, surrounds, amplifiers, and processors.
Key Features
- Flyable large-format design — The mid/high and LF sections join into a single suspended unit for large premium auditoriums.
- Tour-grade plywood construction — Heavily braced 15 mm tour-grade plywood provides durable, road-ready strength.
- Sixteen M10 rigging points per enclosure — Enable safe and straightforward suspension with installer-provided hardware.
- Array-friendly dimensions — Common Mid/High and LF enclosure dimensions facilitate vertical or horizontal arrays.
- Increased high-frequency output — The MH-1075C-F provides additional HF output for large rooms.
- Single-element dialogue range — The 10-inch midrange operates from ~250 Hz with a crossover up to 1800 Hz for unmatched intelligibility.
- Low-distortion waveguides — Provide highly articulate dialogue for large-format cinema playback.
Typical Applications
- Auditorium
- Broadcast studio
- Multi-purpose room
Technical Specifications
| Specification | Detail |
|---|---|
| System type | Flyable 3-way bi- or tri-amplified screen channel |
| Components | MH-1075C-F mid-high + LF-4215-F low-frequency |
| Midrange driver | Horn-loaded 10 in cone driver (operates from ~250 Hz) |
| HF compression driver | 3 in (75 mm) titanium diaphragm |
| HF crossover point | Up to 1800 Hz |
| LF enclosure | Dual 15 in, heavily braced 15 mm tour-grade plywood |
| Rigging | Sixteen M10 attachment points per enclosure |
| Array | Common Mid/High and LF dimensions for vertical/horizontal arrays |
Frequently Asked Questions
How is the SC-423C-F suspended?
Each enclosure includes sixteen M10 attachment points for safe suspension using installer-provided rigging hardware rated for the load.
How does it differ from the standard SC-423C?
The SC-423C-F is a flyable, large-format version built from tour-grade plywood with rigging points and increased HF output, where the SC-423C is a fixed-install MDF enclosure.
Can multiple units be arrayed?
Yes. The mid/high and LF enclosures share common dimensions to facilitate vertical or horizontal arrays in large-format auditoriums.
What warranty and support come with this loudspeaker?
QSC installed loudspeakers are covered under QSC's standard limited warranty; refer to QSC's published warranty terms for the current coverage period applicable to this model. Creation Networks provides pre- and post-sale support for system design and integration questions.
At Creartion Networks, we do everything we can to create an excellent customer experience. This includes fast shipping and easy returns.
- Most in-stock orders placed Monday-Friday ship within 24-48 hours. General restrictions apply; please see our full shipping policy here.
- We offer a 30-day return policy from the delivery date on many products. Product restrictions apply. Restocking fees for the return of open-box items. Please see our full return policy here for more information.
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