Audioengine HD3 wireless Active Stereo Bluetooth Bookshelf Speaker - Black

American brand Clear sound quality is worth your careful taste 【Audioengine HD3 wireless Active Stereo Bluetooth Bookshelf Speaker - Black】 "Speaker Unit" The 0.75-inch silk dome tweeter uses a neodymium magnet and a ferrofluid cooling voice coil to make the treble more transparent. The 2.75-inch aramid fiber woofer is light in weight but very strong, making the bass more solid and powerful. "Multiple connection methods" Support 3.5mm stereo, RCA, USB, Bluetooth and other connection methods, no need to switch buttons, just connect to enjoy Hi-Fi stereo. Works with multiple apps, music and devices. "Wireless Bluetooth Transmission" Using Bluetooth 5.0, it provides a more stable connection between the speaker and the connected Bluetooth device, and supports aptX HD Bluetooth encoding, allowing you to enjoy high-quality music that is better than CDs. An antenna can also be installed on the back to make the receiving range wider. 《USB DAC function》 Equipped with a USB input interface, it can be directly connected to a computer for use. It adopts PCM5102 DAC, supports 16bit/48kHz audio, exhibits high signal-to-noise ratio, and has impressive low noise and low distortion characteristics. 《Built-in ear expansion function》 The built-in OPA2134 low-noise high-performance headphone amplifier can provide low-impedance, high-fidelity audio effects and easily drive headphones. "Amplifier Design" It uses Class A/B power amplifier to provide excellent audio quality and greater flexibility. It consumes less power and generates less heat, which is more energy-saving and environmentally friendly. "Connecting the Subwoofer" HD3 has an RCA output interface, which can cooperate with the "Reduced Bass" mode to transfer the low frequency to the connected subwoofer for processing, forming a system to make the bass more pleasant. "Box structure" High-thickness, resin-glued dense panels reduce distortion and strengthen internal support. The interior is filled with high-strength sound-absorbing materials to reduce unwanted sound reflections. The front phase port design can achieve greater sound pressure, optimize low-frequency performance, and increase output power. - Precautions: 1. The product only includes the HD3 speaker and its accessories, and the mobile phone and computer in the photo are for illustrative purposes only. 2. The accessories included with the product include: magnetic dust filter, speaker cable, USB cable, 3.5mmAUX audio cable, wireless antenna, power cord, transformer, storage bag, and manual. - product specification Model: HD3 Bluetooth version: 5.0 Bluetooth encoding: aptX HD, aptX, AAC, SBC Tweeter: 0.75" Silk dome Woofer: 2.75" Aramid fiber Input impedance: 5K ohms unbalanced Output power: single side RMS 15W, total power 30W Total harmonic distortion: <0.05% Frequency Response: 65Hz-22kHz ±2.0dB Decoding rate: USB output supports up to 16bit/48kHz Input: 3.5mm stereo/RCA/USB/Bluetooth Output: RCA switchable line output, 3.5mm Material: MDF, metal, plastic Size: 178x140x108mm Weight: left-active 1800g/right-passive 1500g made in China BSMI: R41291 NCC: CCAJ22LP18F0E5 ※If there is any error in the above specifications, the information published by the original factory shall prevail