Polk's new Performance Line-Up, which appears in retail stores this fall, includes sports headphones and active noise cancelation (ANC) headphones designed for serious athletes engaged in exercise and fitness as well as suited for players and business professionals who travel frequently and often listen to music in noisy environments.
When they wonder why they have been given a negative performance rating, I explain the logic of the system, and thisincludes asking the leader to introspect when analyzing the data.
Thisincludes investing in more of the highly specialized machines that can test and simulate everything from power and performance to life and thermal behavior over a complete range of temperatures and possible operating conditions.