audiovector qr 5 seAudiovector QR 5 SE A high performance speaker with a simple design The goal of the QR series is to offer the most advanced technology in a perfectly finished and proportioned high end package. That goal has certainly been achieved with the largest and best performer in the QR series QR 5 SE. Its perfectly detailed and silky smooth treble delivers endless hours of musical enjoyment that your ears will never grow tired of listening to. The new midrange