Bose Professional FreeSpace DS 40SE

Bose Professional  FreeSpace DS 40SE speaker is a good choice when you need high-fidelity music playback in an outdoor commercial space environment. With the Bose 4.5″ full-range speaker unit, it delivers sound quality like an advanced home audio and maintains excellent durability. The wide frequency range and spread angle, whether playing music or language sound broadcasting, can faithfully express Bose’s consistent beautiful sound quality.

All-weather waterproofing unit and special cabinet design can be widely used in outdoor space in various climatic conditions. It contains a quick-fixing bracket that can be placed vertically or horizontally depending on the environment. In addition, there are a variety of optional installation kits, depending on the installation conditions of different conditions.

Technical Summary

  • Frequency Response (+/-3 dB) 80 Hz – 17 kHz
  • Frequency Range (-10 dB) 70 Hz – 19 kHz
  • Nominal Dispersion 125° H x 125° V
  • Sensitivity (SPL / 1 W @ 1 m) 87 dB SPL
  • Maximum SPL @ 1 m 103 dB SPL
  • Nominal Impedance 8 Ω (transformer bypassed)