Acro CA1000
Portable headphone amplifier and DAP-style player with a built-in 8,400mAh battery, four ES9068AS DAC chips and a 4.1-inch touchscreen. Aimed at listeners who want desktop-class inputs and outputs and up to 15Vrms balanced output while away from a power outlet.
- Four ESS ES9068AS DACs (Quad-DAC)
- Up to 15Vrms balanced output, 4 gain levels
- 32bit/384kHz PCM and native DSD512
- 3.5mm, 6.35mm, 2.5mm and 4.4mm headphone outputs
- 8,400mAh battery, about 10.5 hours playback
- Bluetooth 5.0 with aptX HD and LDAC, Roon Ready
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The ACRO CA1000 is a battery-powered headphone amplifier that also works as a digital audio player. It uses four ESS ES9068AS DACs and decodes PCM up to 32-bit/384kHz and native DSD up to DSD512. Four gain settings let it drive both sensitive earphones and high-impedance headphones, with balanced output reaching 15Vrms in the highest setting.
Headphone outputs cover 3.5mm and 6.35mm unbalanced plus 2.5mm and 4.4mm balanced, each isolated by separate relays. Line-level RCA, coaxial, optical and USB-C connections allow it to be used as part of a home system. Software features include crossfeed with adjustable shelf and mixer settings, ReplayGain, MQA rendering, Bluetooth transmit and receive (BT Sink), and wireless file transfer via AK File Drop. The unit is Roon Ready.
The aluminium body houses a 4.1-inch touchscreen that tilts up to 60 degrees. Internal storage is 256GB, expandable with a microSD card. Charging uses USB-PD 2.0, and playback time is around 10.5 hours under the stated test conditions.
Video
Technische Daten
- Marke
- Astell&Kern
- Modell
- Acro CA1000
- Kategorie
- Kopfhörer
General
- Model
- ACRO CA1000
- Display
- 4.1 inch 720 x 1280 touch screen
- CPU
- Quad-core
- Built-in memory
- 256GB [NAND]
- External memory
- microSD x1 (Max. 1TB)
- Firmware update
- OTA supported
Audio
- DAC
- ESS ES9068AS x4 (Quad-DAC)
- Decoding
- Up to 32bit / 384kHz Bit-to-Bit playback
- Supported formats
- WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF, MQA
- PCM sample rate
- 8kHz ~ 384kHz (8/16/24/32bits per sample)
- DSD
- Native DSD64 / DSD128 / DSD256 / DSD512 (22.4MHz), Stereo
- S/N
- 107dB Unbalanced / 115dB Balanced / 119dB RCA @ 1kHz
- THD+N
- 0.005% Unbalanced / 0.002% Balanced / 0.0004% RCA @ 1kHz
- Crosstalk
- -105dB Unbalanced / -124dB Balanced / -121dB RCA @ 1kHz
- Output impedance
- 3.5mm, 6.35mm (1ohm); 2.5mm, 4.4mm (2ohm); RCA (2ohm)
Outputs
- Headphone outputs
- Unbalanced 3.5mm, 6.35mm / Balanced 2.5mm, 4.4mm
- Headphone output level (Low)
- Unbalanced 2Vrms / Balanced 4Vrms (no load)
- Headphone output level (Super)
- Unbalanced 8Vrms / Balanced 15Vrms (no load)
- RCA output level
- 2Vrms (no load)
- Analog output
- RCA (stereo pair) x1
- Digital outputs
- Optical (3.5mm) x1, USB (Type-C) x1
Inputs
- Analog input
- RCA (stereo pair) x1
- Digital inputs
- Coaxial x1, Optical x1, USB (Type-C) x1
Connectivity
- Wi-Fi
- 802.11 a/b/g/n/ac (2.4/5GHz)
- Bluetooth
- V5.0 (A2DP, AVRCP, aptX HD, LDAC)
Power
- Battery
- 8,400mAh 3.8V Li-Polymer
- Charge time
- About 2.5 hours (9V/3A PD2.0) | 7 hours (5V 2A)
- Playback time
- About 10.5 hours (FLAC, 16bit, 44.1kHz, Unbalanced, Vol.40, LCD off, Low Gain)
Physical
- Body material
- Aluminum
- Body color
- Moon Silver
- Dimensions
- 104.9mm (W) x 45mm (H) x 148.8mm (D)
- Weight
- About 919g
- Operating temperature
- 0℃ ~ +40℃
Software
- Supported OS
- Windows 7, 8, 10 (32/64bit), MAC OS X 10.7 and up