Astell&Kern ACRO L1000 Desktop Amplifier & DAC

Step up to a new world, ACRO L1000

• Description
• Features
• Specifications

• Astell&Kern introduces a new sub-brand of desktop audio products called ACRO.
  
  Astell&Kern has taken their expertise in designing best-selling, world-class portable audio devices and put that knowledge in to the first desktop audio product, the ACRO L1000. The ACRO L1000 is the first Desktop Headphone Amplifier from Astell&Kern.

• Dual High-End AK4490 DACs Built-in
  PCM playback up to 32bit/384kHz, Native DSD 256 playback supported
  Support for various audio output options for Hi-Fi Audiophiles
  15W Audio Output per Channel for Stereo Speakers
  Filters for Different Audio Preferences (Bass-boost, High-Gain)
  Optimal design for both usability and sound playback
  
  Support for various audio output options for Hi-Fi Audiophiles
  
  The ACRO L1000 provides multiple audio output options to fit your needs.
  
  It can be connected to a universal 3.5mm/6.3mm jack, or to a headphone or earphone with a 2.5mm/4-pole XLR balanced jack. Unlike other headphone amplifiers, the ACRO L1000 features speaker binding posts offering a maximum audio output of up to 15W per channel at 4 ohms.
  
  - Please note. You must lower the volume to zero before connecting any sensitive In-Ear-Monitors or headphones to protect your hearing and your equipment.
  - When connecting more than two earphones/headphones, the sound is outputed to the earphones/headphones of the last connected terminal.
  - When connecting to the XLR balanced terminal, all earphone/headphone jacks on the side of the product should not be connected.

• General Specifications
  
  Model ACRO L1000 / DAM11
  Body Color Gun Metal
  Body Material Aluminum
  Dimensions 4.44 ”(112.87 mm) [W] x 6.29 ”(160 mm) [H] x 4.43 ”(112.75 mm) [D]
  Weight 32.45 oz (about 920.7g)
  DAC AKM AK4490 x2 (Dual DAC)
  Inputs USB Micro-B input (PC/MAC)
  Outputs PHONES Out(3.5mm, 6.3mm), Balanced Out(2.5mm-only 4-pole supported, 4-pin Balanced XLR),
  Speaker out (L/R binding posts x2)
  Sample rate PCM: 8kHz ~ 384kHz (8/16/24/32bits per Sample)
  DSD Native: DSD64 (1bit 2.8MHz), Stereo / DSD128 (1bit 5.6MHz), Stereo / DSD256 (1bit 11.2MHz), Stereo
  Output Level Unbalance 6Vrms / Balance 8.5Vrms (Condition No Load)
  Power Supply 12V adaptor
  Audio Performance (Headphones / Earphones)
  
  Frequency Response
  ±0.064dB (Condition: 20Hz~20kHz) Unbalance & Balance
  ±0.73dB (Condition: 10Hz~70kHz) Unbalance & Balance
  Signal to Noise Ratio 115dB @ 1kHz, Unbalance / 116dB @ 1kHz, Balance
  Crosstalk 108dB @ 1kHz, Unbalance / 138dB @ 1kHz, Balance
  THD+N 0.003% @ 1kHz, Unbalance / 0.001% @ 1kHz, Balance
  
  Audio Performance (Speakers)
  Output 15W x2 (4ohm)
  Frequency Response ±0.32dB (Condition: 20Hz~20kHz) (Condition: 4ohm, 1kHz, 10% THD)
  Signal to Noise Ratio 95dB (Condition: 4ohm, 1kHz, 10% THD)
  Crosstalk 110dB (Condition: 4ohm, 1kHz, 10% THD)