The A80 is an introduction to plug & play hifi. Designed to appeal to a younger audience through its ease of use, multiple connection and functionality. This beautiful walnut finish speaker boasts high end & hifi components at affordable pricing. The A80 active speaker is the ideal entry into hifi listening! The A80 Active Bookshelf Speakers uses AIRPULSE’s unique horn-loaded aluminum ribbon tweeter and a proprietarily-designed 4.5inch aluminum cone mid-woofer driver. The A80 is housed in an 18mm thick high-strength MDF cabinet with a beautiful walnut finish. The well-known American TRANSPARENT cable is used for internal connection to ensure a minimum signal loss. The active speaker has a high-efficiency Class D amplifier with digital signal processing (XMOS) system, powered by an also efficient power supply. The system in the A80 Active Bookshelf Speakers supports multiple inputs, including Bluetooth, AUX, PC, USB, and fiber optic. Frequency response ranges from 52Hz to 40KHz. It supports Hi-Res high-quality audio playback and has obtained a Hi-Res official certification. Key features: - Certified as Hi-Res audio speakers - Horn Loaded Ribbon Tweeter with high sensitivity, superb transient response, extended frequency range and well-defined resolution. - 4.5 inch aluminum cone 30mm voice coil mid-woofer - Input Mode: AUX, PC, USB, Optical, Bluetooth 5.0 with AptX - Digtal amplifer with Xmos processor / subwoofer output - Power Output: L/R(treble): 10W+10W, L/R(Woofer): 40W + 40W - Optical Inputs Support Up to 192KHz Input Sample Rate - Internally wired with TRANSPARENT audiophile grade speaker cable