ACRO CA1000
Body Color Moon Silver
Material Aluminum
Storage media Built-in capacity 256GB (NAND flash) *Including system area
Expansion slot*1 microSD card slot x 1 slot (SDHC/XC up to 1TB)
Music playback Number of songs*2 Approx. 1,560 songs (FLAC/192kHz/24bit)
Approx. 9,880 songs (FLAC/44.1kHz/16bit)
Continuous playback approx. 10.5 hours
(FLAC, 16bit, 44.1kHz, unbalanced, Vol.40, LCD Off, low gain)
File formats WAV, FLAC, MP3, WMA, OGG, APE, AAC, ALAC, AIFF, DFF, DSF, MQA
Sampling rate PCM: 8kHz, 16kHz, 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352.8kHz, 384kHz *Native
DSD: DSD64 (2.8MHz) stereo, DSD128 (5.6MHz) stereo, DSD256 (11.2MHz) stereo, DSD512 (22.4MHz) *Native
Quantization bit rate 8bit, 16bit, 24bit, 32bit (Float/Integer) *Native
Bit rate FLAC: 0 to 8, APE: Fast to High, MP3/WMA: Up to 320Kbps, OGG: Up to Q10, AAC: Up to 320Kbps
Folder management
Tag information ID3 V1 Tag, ID3 V2 2.0, ID3 V2 3.0
Database management Songs, albums, artists (or album artists), genres,
Playlist, Folder, MQS, CD Library
Resume function ○ *Playback from the beginning
Album art ○ ○
Lyrics display ○
Playlist function ○ ○
Playback method Normal playback, shuffle
Repeat mode Repeat, 1 song repeat
Equalizer function User EQ (20Band: 30Hz to 18kHz / Gain: ±5.0 / Q value: 0.1 to 4.0)
Gapless playback ○
Audio D/A converter ESS ES9068AS x4 (Quad-DAC)
Input terminals USB Type-C (data transfer/USB-DAC) x 1, Coaxial digital (RCA) x 1,
Optical digital (square) x 1, RCA (stereo) x 1
Output terminal 3.5mm headphone output (also optical digital output) x 1, 6.35mm headphone output x 1, 2.5mm balanced output (4-pole) x 1, 4.4mm balanced output (5-pole) x 1, RCA (stereo) x 1, USB Type-C (USB audio output)
USB AUDIO output 0
USB-DAC function*3 PCM: max. 384kHz/32bit, DSD(DoP): max. DSD256 (11.2MHz/1bit)
AK Connect function (DLNA): 0
Open APP Service function
V-Link function
Output level [Low gain] 2Vrms unbalanced / 4Vrms balanced (no load)
[Medium gain] 4Vrms unbalanced / 8Vrms balanced (no load)
[High Gain] 6Vrms unbalanced / 12Vrms balanced (without load)
[Ultra High Gain] 8Vrms unbalanced / 15Vrms balanced (no load)
[RCA] 2Vrms (without load)
Output impedance 1.0Ω unbalanced 3.5/6.35mm
2.0Ω Balanced 2.5/4.4mm
2.0Ω RCA
Frequency Response ±0.024dB (Condition : 20Hz~20kHz) Unbalanced
±0.018dB (Condition : 20Hz~20kHz) Balanced
±0.048dB (Condition : 20Hz~20kHz) RCA
±0.059dB (Condition : 20Hz~70kHz) Unbalanced
±0.056dB (Condition : 20Hz~70kHz) Balanced
±0.048dB (Condition : 20Hz~70kHz) RCA
S/N Ratio 107dB (@1kHz) Unbalanced
115dB (@1kHz) Balanced
119dB (@1kHz) RCA
Crosstalk -105dB (@1kHz) unbalanced
-124dB (@1kHz) Balanced
-121dB (@1kHz) RCA
THD+N 0.005% (@1kHz) Unbalanced
0.002% (@1kHz) Balanced
0.0004% (@1kHz) RCA
IMD 0.0008% 800Hz 10KHz (4:1) unbalanced
0.0004% 800Hz 10kHz (4:1) Balanced
0.0003% 800Hz 10kHz (4:1) RCA
Clock jitter 25ps (Typ)
Reference clock jitter 70ps
Controls Physical Keys Rewind, Play/Pause, Fast Forward, Dial Volume (power/screen on/off), Touch Sensor
Lock function Dial volume lock (when screen is off)
Volume control 151 steps
Wi-Fi standard IEEE 802.11 a/b/g/n/ac (2.4 / 5GHz)
Bluetooth version V5.0
Profile *4 A2DP, AVRCP
Supported codecs SBC, AAC, Qualcomm® aptX™ HD, LDAC
Supported OS *5 Windows® 10 (32bit/64bit) / Mac Os X 10.7 or higher
CPU Quad-Core
Power source Battery Built-in lithium polymer battery (8,400mAh / 3.8V)
Auto off function Auto power off (when no operation), Backlight off (when no operation), Sleep timer
Charging method*6 Charge only (when power is off), Charge & Playback & Data Transfer
Charging time Approx. 2.5 hours (9V/3A PD2.0 Fast Charging) / Approx. 7 hours (5V/2A)
USB type USB Type-C (transfer)
Connection method MTP (media device) method
Screen Display Display 4.1” TFT color LCD (capacitive touchscreen)
Resolution HD (1280 x 720 dots)
Size (W x H x D) Approx. 104.9 x 45 x 148.8 mm
Weight Approx. 919 g