Luxury&Precision E7

GENERAL SPECS

COLOR Blackish Green

SIZE 71 x 133 x 20 mm

WEIGHT 300g

DISPLAY 5 inches (1080*1920)

DAC AK4497 * 2

CLOCK SOURCE Ultralow phase Noise -160db OSC *2

BUTTONS ALPS

TF CARD Theoretically support up to 1TB

BATTERY TYPE Li-polymer battery

BATTERY CAPACITY 4700mA/H

POWER SUPPLY POWER IN DC 5V 2A

BATTERY LIFE AND TEST CONDITIONS  

• 3.5mm Po output：＞8h
• 4.4mm Po output：＞5h
• Screen Off; WAV 48kHz/24bit; vol: 70; Load: 32Ω

RECOMMENDED HEADPHONE IMPEDANCE 8-300ohm

EQUALIZER 10-band EQ (±12dB), 6 presets+3custom preset

GAIN CONTROL Low/high

DOP SPDIF Supported

DIGITAL FILTER Six types of digital filters

PHASE INVERSION Supported

USB CONNECTION MODE MSC/Audio/Charge

USB DAC Supported

SAMPLING RATE SUPPORTED 

• PCM: 24bit 384KHz 
• DSD: 11.2896MHz (DSD256)

FILE FORMAT SUPPORT APE AAC ALAC FLAC WAV MP3 WMA DFF DSF AIFF SACD-ISO

AUDIO PORTS 

• 3.5mm SE（LO、PO、SPDIF）
• 4.4mm balanced（LO、PO）

LO OUTPUT PARAMETERS(3.5MM SE)

SNR >125db(A Weighting）

DYNAMIC RANGE >125db（A Weighting）

THD+N < 0.00025% @24bit 96KHz Awt

FREQUENCY RESPONSE 20Hz-20KHz +/- 0.2db

CROSSTALK > 98db

OUTPUT VOLTAGE(RMS) High Gain 2.05Vrms Low Gain 0.55Vrms 

LO OUTPUT PARAMETERS(4.4MM BALANCED)

SNR >127db(A Weighting）

DYNAMIC RANGE >127db（A Weighting）

THD+N < 0.00014% @24bit 96KHz Awt

FREQUENCY RESPONSE 20Hz-20KHz +/- 0.2db

CROSSTALK > 115db

OUTPUT VOLTAGE High Gain 4.1Vrms, Low Gain 1.1Vrms 

PO OUTPUT PARAMETERS(3.5MM SE)

OUTPUT POWER@16Ω 262mW

OUTPUT POWER@32Ω 131mW

OUTPUT POWER@100Ω 40mW

SNR >125db(A Weighting）

DYNAMIC RANGE >125db(A Weighting）

THD+N < 0.00028% @24bit 96KHz Awt

FREQUENCY RESPONSE 20Hz-20KHz +/- 0.2db

OUTPUT IMPEDANCE 1.2Ω

CROSSTALK > 75db

OUTPUT VOLTAGE High Gain 2.05Vrms, Low Gain 0.55Vrms 

PO OUTPUT PARAMETERS(4.4MM BALANCED)

OUTPUT POWER@32Ω 520mW

OUTPUT POWER@64Ω 260mW

OUTPUT POWER@100Ω 168mW

OUTPUT POWER@300Ω 55mW

SNR >127db(A Weighting）

DYNAMIC RANGE >127db(A Weighting）

THD+N < 0.00014% @24bit 96KHz Awt

FREQUENCY RESPONSE 20Hz-20KHz +/- 0.2db

OUTPUT IMPEDANCE 2.4Ω

CROSSTALK > 113db

OUTPUT VOLTAGE High Gain 4.1Vrms, Low Gain 1.1Vrms 

BLUETOOTH

VERSION Bluetooth 5.0

CODEC TYPE LDAC、APTX、APTXHD、APTXLL、AAC、SBC

DIRECTION Bluetooth Receiver

TRANSMISSION DISTANCE 15 m

BLUETOOTH CLOCK SOURCE FPGA Generation 

E7 Standard Edition Body x 1

AK4497 Standard Edition Attachment x 1

TYPE A-C 3.2 cable x 1

TYPE C-A 3.2 adapter x 1

Manual x 1

Warranty x 1

Bespoke Leather Case x 1

Fabric cloth sack x 1