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FS-4C Open-back Floor Standing Cabinet

This is a stacked, multi-enclosure three-way floor-standing loudspeaker featuring a line-array configuration and an open-back baffle design. The architecture is engineered to deliver exceptional transparency, scale, and realism.

FS-4C 3-Way Floorstand Box

Features

  • The mid–high section consists of two CQ76B units and one CQ66, forming a compact line array that covers the 800 Hz to 40 kHz range. This configuration enables an expansive, highly natural soundstage with precise imaging, excellent layering, and a convincing sense of air and space.
  • The bass section employs a DDQ10-3 air-motion (AMT-type) woofer, an upgraded evolution of the DDQ10-2. It incorporates three V-shaped air-motion compression chambers with a total of six 10-inch diaphragms, delivering powerful low-frequency output with outstanding control, authority, and deep extension.
  • The loudspeaker adopts an open-back baffle design, effectively eliminating cabinet coloration. The result is a clean, uncolored presentation with fast transient response and exceptional clarity. At the same time, the low-frequency reproduction benefits from a smoother, more natural roll-off, contributing to a more lifelike and coherent overall sound.
  • The loudspeaker delivers a grand, expansive soundstage with precise imaging. It offers deep-reaching, powerful bass with strong impact, along with high resolution and excellent tonal balance across the entire frequency range. It is particularly well-suited for large-scale orchestral works and dynamic, high-energy recordings. A room size of around 30 square meters is recommended for optimal performance.

RETAIL PRICE: 4300USD/PAIR(The price does not include shipping costs.)

Transportation method: International air express delivery(DHL, FEDEX, etc.).
Shipping fee: charged based on real time price.

SPECIFICATIONS

TWEETER11 X CQ66 NEW TYPE RIBBON TWEETER
TWEETER22 X CQ76B NEW TYPE RIBBON TWEETER
WOOFERDDQ10-3 AIR MOTION WOOFER
BOX TYPEa stacked, multi-enclosure three-way floor-standing, semi open-baffle configuration
DIMENSION119.2cm(Width)*33.7cm(Height)*18cm(Depth)
DIMENSION234cm(Width)*105cm(Height)*40cm(Depth)
FREQ RESPONSE21 – 40000Hz(-5dB)
SENSITIVITY88dB/1m * 1W
NOMINAL IMPEDANCE8 ohms
RATED POWER100-200W
CROSSOVER DETAIL3-Way, 800Hz(-12dB/oct), 8000Hz(-6dB/oct)

FS-4C LMS SPL CURVE

BZ-2 SPL
Note: This curve was obtained from a normal room(not professional anechoic room).We use near-field method(measure distance 30cm, the sensitivity has been decreased) to avoid the reflection of the room.