The 455 in-wall speaker delivers surprising in-wall performance in a surprisingly affordable package. A proprietary Deep Channel® woofer and soft dome tweeter ensure the accurate reproduction of any source material. Designed for stunning sound and ease of installation, HSi 455 in-wall loudspeaker expands the realm of quality sound to create an audio system that pleases even the most critical ears.

• 1-inch Boston designed Kortec tweeter
• 5-1/4-inch Boston Deep Channel® woofer
• Easy-install features for existing walls or ceilings
• Paint-ready surface allows you to match your wall or ceiling finish
• Reduced Bezel Design for seamless integration with the wall or ceiling
• Magnetic grilles for easy installation
• Optional new construction bracket NCB5

Recommended Amplifier Power
10-100 watts
Nominal Impedance
8 ohms
Frequency Response (±3dB)
65Hz-20kHz
Mounting Depth (from surface)
2-7⁄8"(73mm)

Bass Unit
5-1/4 (133mm) DCD copolymer
Crossover Frequency
4900Hz
Sensitivity (1 watt (2.83v) at 1m)
88dB
Tweeter
1" (25mm) Kortec dome
External Dimensions
10-1⁄8 x 7-1⁄2 x 2-7⁄8 " (257 x 191 x 73mm)

Mounting Hole Cutout
8-15⁄16 x 6" (227 x 152mm)