ASUS Essence 3
Product Lineup
Essence
ST/STX
Essence STU
Essence ONE Essence ONE
PLUS EDITION
Essence
ONE MUSES
EDITION
Essence III
Key Audience
PC all-purpose
gamers/
audiophiles
Headphone
adventurers
Entry-level
audiophiles
OP-AMP
lovers and DIY
adventuuers
Hi-Fi
adventurers
Explorative
Audiophiles
Key Focus
Desire to get
the best audio
quality on PC
Desire to
explore different
headphones
and their
characteristics
Desire to enjoy
high fidelity
music on both
headphone and
speaker
Desire to DIY
and customize
sound based
on personal
preferences
Desire to
experience
high fidelity
music with
world known
Muse01 Op-
Amp
Desire to experiment
with new standards,
constantly on the
outlook for better
approach
Audio Clarity
124-dB SNR
Hi-Fi audio
clarity
120dB SNR Hi-Fi audio clarity
Ultimate audio
enjoyment with native
Direct Stream Digital
(DSD) support
Audio
Precision
Ultra jitter-free
fidelity with
Precision Clock
Tuning
Ultra jitter-free fidelity with asynchronous USB audio interface
Ultra-low jitter via
high precision TCXO
clock sources and
asynchronous USB
Op-amp
Selection
& Tonal
Customization
Customizable
tone characters
with 3
swappable Op-
Amps (LM4562
& JRC 2114D)
Customizable tone
characters with 3
swappable Op-
Amps (LM4562 &
LME49720)
Customizable
tone characters
with 11
swappable Op-
Amps, focusing
on 6 key Op-
Amps
Op-Amp
Tweaking Kit
with additional
TI-2132 (4pcs)
and NS4562
(2pcs) and
tweaking tool set
Unimagiably
heart-touching
and spacious
sound
powered by
MUSES 01
Op-Amp (6
pcs)
Premium AD 827SQ
and MUSES 02 Op-
Amps
Powerful
Headphone
Amplifier
Headphone
amplifier for
up to 600ohm
headphone
impedance
Headphone
amplifier for
up to 600ohm
headphone
impedance with 2
gain settings
Headphone
amplifier for
up to 600ohm
headphone
impedance
Headphone
amplifier for
up to 600ohm
headphone
impedance
Headphone
amplifier for
up to 600ohm
headphone
impedance
Top-notch
headphone amplifier
enables balanced
headphones of up to
600ohm impedance
+ Remote-controlled,
relay based stepped
attenuator
Clean Power
Onboard Power Switching Power
Dedicated
linear power
supply
Dedicated linear
power supply
Dedicated
linear power
supply
Toroidal transformer-
based multi-rail linear
power supply with
fully independent
noise-free left/right
channel power
delivery
Additional
Features
Selectable DC
servo headphone
output minimizes
unwanted pop
noise
8X Upsampling
to 384kHz
8X Upsampling
to 384kHz
8X
Upsampling to
384kHz
Hassle-free left/right
balance calibration
via exclusive software
Fully balanced design
with single-channel
DACs
Separate boards
for analog, digita,
and power circuitry
minimize interference
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