HD4
Compact powered Bluetooth aptX HD bookshelf speaker pair with built-in DAC and amplifier, USB, RCA and 3.5mm inputs and a headphone output. Suited to desktops, small rooms and turntable setups.
- Bluetooth with aptX HD, aptX LL, aptX, AAC and SBC
- 30 W RMS per channel, 120 W total peak (AES)
- 4" aramid fiber woofers, 0.75" silk dome tweeters
- USB, RCA and 3.5 mm inputs plus RCA outputs
- 24-bit DAC (upsampled), up to 48 kHz
- Matte Black or Real Wood Walnut Veneer finish
Fotky
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Prodat stejnýPopis
The HD4 is a two-piece stereo system in which the left speaker holds the amplifier, DAC and all connections, and the right speaker is passive and linked to it by speaker wire. Each cabinet is finished in matte black or real walnut veneer and has a front port and removable magnetic grilles. A 4-inch aramid fiber woofer and a 0.75-inch silk dome tweeter are fitted in each speaker.
Sources can be wired or wireless. Bluetooth supports aptX HD, low-latency aptX, aptX, AAC and SBC. Wired options are USB, stereo RCA and a 3.5 mm mini-jack input. The analog inputs stay active together, while Bluetooth and USB share one DAC and Bluetooth takes priority. A turntable can be connected to the analog input, though some models need a separate phono preamp. RCA outputs allow connection to other equipment, and a headphone output is on the front.
The switching power supply adapts automatically to different mains voltages, and the AC cable is detachable. Speaker cable, an antenna and the audio cables are supplied.
Video
Specifikace
- Značka
- Audioengine
- Model
- HD4
- Kategorie
- Hi-Fi a domácí audio › Reproduktory
Audio
- Type
- Powered Bluetooth aptX HD speaker system
- Amplifier type
- AB
- Power output
- 30W RMS per channel
- Peak power output
- 60W per channel (AES)
- Total peak power output
- 120W (AES)
- DAC
- 24 bit (upsampled), up to 48 kHz
- Woofers
- 4" aramid fiber
- Tweeters
- 0.75" silk dome
- Port
- Front ported
Inputs
- Analog inputs
- 3.5mm stereo mini-jack, stereo RCA
- Digital input
- USB
- Wireless input
- Bluetooth
Outputs
- Analog outputs
- Stereo RCA
- Headphone out
- Yes
- Speaker output
- Out to right (passive) speaker
Connectivity
- Bluetooth codecs
- aptX HD, aptX with very low latency, aptX, AAC, SBC
- Wiring type
- Wired, Wireless
- Wi-Fi
- N/A
Physical
- Dimensions (each speaker)
- 9"H x 5.5"W x 6.5"D
- Finish
- Matte Black, Real Wood Walnut Veneer
- Grilles
- Magnetic, removable
- Sold in pairs
- Yes
Power
- Power supply
- Switching, automatic voltage conversion
- Power cable
- Detachable AC cord
In the box
- Speakers
- 1 powered (left), 1 passive (right)
- Cables
- AC power cord, USB, mini-jack, RCA
- Accessories
- Antenna, gold plated banana plugs, 2 speaker bags, 2 cable bags
- Documentation
- Setup guide