Immerse yourself in high-quality audio with the AOR Ar-one receiver (not including sdu5600), a masterpiece of engineering designed to cater to both amateur and professional enthusiasts. This unit operates across a broad spectrum from 10khz to 3.3GHz, offering impeccable reception and clarity that brings your listening experience to life. The AOR Ar-one is not just a device; it's a statement of excellence in the realm of A/V receivers. Its trusted brand heritage ensures reliability, while the model's advanced features provide an intuitive user interface, making it a standout choice for audio aficionados.