ALFC-457

JOSAWA ALFC-457 - 2-Way 4″ Ceiling Loudspeaker with Backbox and Aimable Tweeter

JOSAWA ALFC-457 is a compact 2-way 4″ ceiling loudspeaker featuring an integrated backbox and an aimable tweeter for precise high-frequency directionality. With a frequency response of 90–20000Hz, sensitivity of 87dB (1W/1m), and compatibility with both low-impedance (8Ω, 40W) and 100V/70V constant voltage systems (20/10/5/2.5W), this speaker is ideal for AV installations in commercial, educational, and office environments.

The enclosure is made of white ABS (RAL 9016) with a powder-coated iron mesh grille, ensuring durability and a clean appearance. The 4″ woofer features a 25.8mm voice coil, ferrite magnet, and PCK+PF cone for solid low and midrange performance, while the ¾″ silk dome tweeter delivers clear high frequencies. Installation is simplified with a 180mm mounting hole.

Functionality:

• 2-way design with 4″ woofer and aimable tweeter
• compatible with low-impedance (8Ω) and 100V/70V systems
• integrated backbox - improved acoustic control and easy installation
• wide frequency response - 90Hz to 20000Hz
• high sensitivity - 87dB (1W/1m)

Features:

• rated power: 40W (8Ω)
• power taps: 20W / 10W / 5W / 2.5W @ 100V
• frequency response: 90-20000Hz
• sensitivity: 87dB (1W/1m)
• line input: 100V / 70V; 8Ω
• mounting hole: Ø180mm
• dimensions: Ø204x137mm
• panel material: ABS, white RAL 9016
• grille: powder-coated iron mesh
• woofer: 4″ (PCK + PF), voice coil Ø25.8mm, KSV former, 416g ferrite magnet, iron basket, Conex spider
• tweeter: ¾″ silk dome
• unit weight: 2.1kg
• gross weight (4 pcs): 13.5kg
• packing dimensions (4 pcs): 58x55x28cm

JOSAWA ALFC-457 is a reliable ceiling speaker solution that combines compact design, high-quality sound, and clean aesthetics - perfect for professional AV installations.