Audioengine: HD4 Powered Bluetooth Speakers - Walnut

📌LAB POINTS

• mid-sized design with extra-loud output, 120W peak power
• powered speakers w/ built-in amplifier & dedicated headphone amp + subwoofer output
  
• in terms of power + size, sits in between the full-sized HD6 + the compact HD3
• 4" aramid fiber woofer + 0.75" silk dome tweeters w/ neodymium magnets + advanced voice coils
  
• upgraded AptX Adaptive Bluetooth 5.3 with expanded, more stable range & HD capable 24-bit Hi-Res audio
  
• upgraded PCM 5102 DAC - high quality digital converter is utilized by both Bluetooth and USB inputs
• RCA input to connect a turntable (phono preamp required if turntable does not have one built in)
• USB-C input to connect a computer
• convenient front-panel headphone jack and volume / power knob
• removable, magnetic speaker grills
• 18mm thick MDF cabinets with real wood veneer + furniture-grade finish
• all necessary cables included
• improve acoustics with Audioengine DS2 Speaker Stands
• also available in black

"Effortlessly fill any living space with the power of incredible, true stereo sound that brings your listening experience to life. An all-access pass to ALL of your music on any app or device, the HD4 offers wired or wireless connections including USB-C input from your computer, Bluetooth 5.3 aptX-HD from your phone, or good old analog from that vintage turntable or prized tape deck." - Audioengine

🔑 KEY FEATURES

• speaker type: active speaker (has built-in amplifier)
• peak power output: 120W
• RMS power output: 30W
• amplifier class: Class AB
• frequency response: 60 Hz - 22 kHz
• high frequency driver: 3/4" silk dome
• low frequency driver: 4" Kevlar cone
• EQ: n/a
• wired inputs: RCA , 3.5mm line, USB Type-C
• wireless inputs: Bluetooth aptX
• wired outputs: 3.5mm line, RCA
• phono preamp: n/a
• headphone output: n/a
• subwoofer out: n/a
• dimensions: 13.0" (w) x 20.0" (h) x 15.5" (d) / 330 x 510x 390mm
• weight (total): 7.0 lb / 3.2 kg

📦 COMES WITH

• speaker interconnect cable (6.5')
• 3.5mm audio cable
• RCA cable
• USB Type-C cable
• antenna

+BUNDLE AVAILABLE

• select a + option and we'll include your choice of Audioengine Subwoofer: the compact S6 or wireless ready S8