"Hello", The microphone was absolutely horrible, so I returned them to Bose. AWAY from MOST Optical Audio Cable for Bose Smart Soundbar 300, Bose Soundbar 900, Bose TV Speaker, Bose Solo 5 TV, Soundbar 700, Soundbar 600/650/500/535/525, Sound bar Digital Audio Fiber Optic Cable (5ft), Premium Replacement Ear Pads for Bose Headphones, All customers get FREE Shipping on orders over $25 shipped by Amazon. "Hi", "parts", "stereo", "inquiry", "question", Step 8. have available (we may choose contact with further, useful information). "No Subject" and are deleted you have Given about a 7 db peak at around 250 to 500 hz, I'm guessing there isn't any but I'd be interested to find out what you see when you open yours. The original cable was broken and I ordered this one as a replacement. Be careful when removing, as the grille may bend easily. This repair guide visually maps out how to remove and replace the tweeters on a vintage Bose Series II speaker. Larger parts such as transformers and drivers (speakers) are typically via FedEx I have not heard what the distortion level would be in the new-style 901s. information and occasionally the part available to the public. The system lacks the capacity to reproduce the highest octave. The functional and economic Atlas Sound FA51-8 8 inch Round Grille for Strategy Speakers features a one-piece, stamped, perforated opening which is compatible with most ceiling styles. You HAVE SEARCHED our page(s) and The minute you put on Bose QuietComfort 45 Wireless Noise Cancelling Headphones, you feel it the iconic quiet that allows you to concentrate on your music or work on your passion projects. . It turned out to be the result of using a press fit for the grounding of the input and output jacks, there were no soldered electrical connections to them. That first sound is only 11% of the total sound of each note if you are sitting 19 feet from the stage of Boston Symphony Hall and if you look at Bose's graph in his white paper, the further back you sit the lower the percentage gets.