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The system uses Bose articulated array with 3 transducers across the front speaker to deliver a spacious stereo sound. Two custom designed passive radiators are responsible for its big bass. Audio can also be personalized. Bass, mid-range, and treble can be adjusted using the Bose app. According to Bose, this speaker is built to last.
The "301" bookshelf speakers were released in 1975. The Bose 301 Series II is a direct/reflecting speaker system. It includes “bass effects” through a 8-inch woofer and surround sound effects through its asymmetrical design. Dual frequency crossover network in the Bose 301 Series II improves sound clarity by optimizing output frequencies. [30]
On March 15, 2007, Bose redesigned the ear tips and the color of the cord was changed from black and white. [4] [5] On October 11, 2007, the headphone plug was redesigned to make it compatible with the Apple iPhone. The circuit board was relocated from the headphone plug to midway up the cord.
The "Wave Radio II" was introduced in 2005 and was based on the Wave Music System without the CD player. It used a dual tapered waveguide and revised speakers. The "Wave Radio III", introduced in 2007, was identical in appearance to the Wave Radio II and added Radio Data System (RDS) and a large snooze button on top of the unit.
In September 2023, Bose released the new QuietComfort headphones this time with no model number designation. The logo returns to the black colour of the 2 generations old QC35 II rather than the light grey of the most recent QC45. This QC model offers 10 levels of adjustable ANC and 24 hours of battery life.
The "Companion 2 Series II" were introduced in 2006. [5] The appearance changed from round speaker grilles to rectangular speaker grilles. Compared with the similarly priced M-Audio Studiophile AV20, the Companion 2 speakers were found to have inferior sound quality but the benefit of being able to play two sources simultaneously. [6]
PMC speakers: United Kingdom Polk Audio: United States ProAc: United Kingdom PSB Speakers: Canada QSC Audio Products: United States Quad Electroacoustics: United Kingdom (brand) Radio Shack: United States RCF audio: Italy Rectilinear Research Corporation: United States Rega Research: United Kingdom Renkus-Heinz: United States ReVox: Switzerland ...
A noise-cancellation speaker emits a sound wave with the same amplitude but with an inverted phase (also known as antiphase) relative to the original sound. The waves combine to form a new wave, in a process called interference , and effectively cancel each other out – an effect which is called destructive interference .
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