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About This Product

Designed for stunning sound and ease of installation, HSi Series Custom loudspeakers expand the realm of quality sound to create an audio system that pleases even the most critical ears. In fact, these speakers perform as well as Boston’s highly regarded traditional loudspeakers. Whether you need to fill your favorite room with sound, install a whole-house audio system or design a custom home theater, Boston has high performance HSi Custom speakers that fit every application. All with the uncompromising performance you expect from Boston.

Boston designed tweeters for crystalline high-frequency sound
• Advanced Boston woofers for more
  bass from less amplifier power
• Easy-install features for existing
  walls or ceilings
• Paint-ready surface allows you to
  match your wall or ceiling finish

Additional Info

Nominal Impedance 8 ohms
Crossover Frequency 4000Hz
Mounting Depth (from surface) 3-1⁄16" (78mm)
Bass Unit 5-1⁄4" (135mm)
Recommended Amplifier Power 10-90 watts
Frequency Response (±3dB) 75Hz-20kHz
Sensitivity (1 watt (2.83v) at 1m) 90dB
Tweeter 3/4" (19mm)
External Dimensions 8-1⁄16" (205mm)
Mounting Hole Cutout 6-3⁄4" (171mm)


Width: 30.00 cm
Height: 60.00 cm
Length: 30.00 cm
Weight: 3.00 kg

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