Audio-Technica has debuted its new ATH-ANC9 QuietPoint active noise-canceling over-ear headphones. As the company’s new top-of-the-line model, the ATH-ANC9 features new Tri-Level Cancellation with three preset filter for noise reduction, a cable with an in-line mic and remote, replaceable memory foam earpads, 40mm drivers, newly-developed electronics, the ability to work when the noise-canceling function is turned off—or in passive mode…