Setting Up

Figure 8

Dual voltage Acoustimass module: voltage selector switch settings

Figure 9

The AC power pack (model PS71 shown)

Connecting the Acoustimass® module power (mains) cord

CAUTION: If you have a dual-voltage system, make sure the voltage selector switch on the Acoustimass module is set correctly.

1.On a dual voltage system, the voltage selector switch is preset at the factory to be correct for your area. Check to be sure it is set for the proper voltage (Figure 8). Use 115V for North America; 230V for Europe and Australia. In Europe, use the adapter plug provided. If you are in doubt, contact your local electric utility for the appropriate voltage setting.

Note: Do not plug the AC power cord into a power outlet until all component connections are complete.

2. Plug the small end of the power (mains) cord into the Acoustimass module AC power jack.

230 V

115 V

Connecting the multi-room interface power pack

The multi-room interface comes with either a 100V, 120V, 230V, or 240V power pack. See Figures 1 and 9. Dual voltage models include both the PS71 and PS72 power packs.

CAUTION: Be sure to use the correct Bose® power pack for your area. Using the wrong one may damage your power pack or your system.

Model PS71,

120V in North America

Model PS72,

230V in Europe

Model PS73,

100V in Japan

Model PS74,

230V in UK or Singapore

Model PS77, 240V in Australia

Note: Do not plug the power pack into a power outlet until you complete all component connections.

1.Firmly insert the small connector on the end of the power pack cable into the AC power jack on the back of the multi-room interface.

2.Make sure that the power pack reaches an AC (mains) outlet.

10

December 20, 2001

AM189858_03_V.pdf

Page 12
Image 12
Bose 40 manual Connecting the Acoustimass module power mains cord, Connecting the multi-room interface power pack

40 specifications

The Bose 40 is an exceptional headphone model that offers an immersive audio experience, catering to audiophiles and casual listeners alike. Known for its remarkable sound quality, the Bose 40 incorporates advanced engineering and innovative technologies to deliver rich, balanced audio.

One of its standout features is the Active Noise Cancelling (ANC) technology. This system uses microphones inside and outside the ear cups to detect ambient noise, effectively cancelling it out for a serene listening environment. Whether you are commuting, traveling, or simply enjoying music at home, the ANC capability ensures you remain undisturbed by outside distractions.

The Bose 40 headphones also feature a proprietary TriPort Acoustic headphone structure, which enhances low-frequency performance without compromising mids or highs. This design ensures that users enjoy a full spectrum of sound, making every listening session a pleasure. The combination of dynamic drivers and a precise acoustic port embedded within the ear cups results in a sound that is both powerful and precise.

Comfort is a critical aspect of the Bose 40 design. The ear cups are crafted from soft materials that provide a snug fit, allowing for extended listening without discomfort. Additionally, the headband is carefully designed with cushioning, making these headphones suitable for prolonged use whether for work or leisure.

With Bluetooth connectivity, the Bose 40 headphones support seamless pairing with a wide array of devices, from smartphones to tablets and laptops. The headphone comes equipped with voice assistant integration, allowing quick access to Siri, Google Assistant, or Alexa. Users also appreciate the intuitive touch controls located on the ear cups, making it easy to play, pause, or skip tracks without needing to retrieve devices.

Battery life is another crucial feature, with the Bose 40 offering up to 20 hours of playback on a single charge. Rapid charging capabilities ensure that users can enjoy up to 3.5 hours of playtime with just a 15-minute charge, making it an excellent companion for on-the-go lifestyles.

In terms of build quality, the Bose 40 is sturdy yet lightweight, making it easy to carry around. The foldable design is perfect for travel, fitting neatly into protective carrying cases.

All these features come together to make the Bose 40 a leading choice in the headphone market, appealing to listeners who seek top-tier audio quality combined with comfort, modern technology, and longevity.