Immerse your room in incredible stereo sound with the Audioengine HD4 speakers. These speakers offer both wired and wireless connectivity options, allowing you to play music from a wide range of devices like your computer, phone, tablet, turntable, or cassette player. You're free to use any music app you prefer. The HD4 also comes with a headphone amplifier, providing you with private, crystal - clear music listening. Key features include: a quick and effortless setup with no network configuration, passwords, or hassles; versatile playback from any app or device in any room; high - fidelity stereo sound perfect for desktops and small spaces; a modern and compact design that fits well and fills the room with sound; built - in magnetic and easily removable speaker grills; low - latency Bluetooth aptX - HD for extended - range wireless streaming and clear sound; an analog input for simple turntable connection; aramid fibre woofers and silk dome tweeters to maintain sound integrity; and built - in power amps housed in precision - tuned, hand - built and finished wood - veneer cabinets. Specifications: It's a powered Bluetooth aptX HD speaker system with an AB amplifier type. The total peak power output is 120 W (30 W RMS / 60 W peak per channel, AES). It has 4' aramid fibre woofers and 0.75' silk dome tweeters. Bluetooth features include Bluetooth 5.0, aptX HD, aptX, AAC, and SBC, with a typical range of up to 100 ft (30 m). There's a Micro - USB Connector Type for USB. The headphone amp is of OPA2134 Type with 2 ohms. Each speaker's dimensions are 5.5' (W) x 6.5' (D) x 9' (H) / 14cm (W) x 16.5cm (D) x 23cm (H). The left (active) speaker weighs 3.2 kg / 7 lb and the right (passive) one weighs 2.4 kg / 5.2 lb.


Using the Audioengine HD4 speakers is a breeze. First, set them up in your desired location. You don't need to worry about any complicated network settings or passwords. Just power them on. For wireless connection, turn on Bluetooth on your device, search for the HD4 speakers, and pair them. If you want to use a wired connection, like connecting a turntable, use the analog input. When using the headphone amplifier, simply plug your headphones into the appropriate port for private listening. As for maintenance, keep the speakers in a clean and dry place. You can easily remove the magnetic speaker grills for cleaning if needed. Avoid exposing the speakers to extreme temperatures or moisture. Also, make sure not to overload the power output to keep the sound quality consistent.