
R
S17ProEVO
Fully-DiscreteClass-AFully-BalancedHeadphoneAmp
UserManual

Preface
DearCustomer,
ThanksforpurchasingtheS17ProEVOandcongratulationsonchoosingthishighqualityheadphoneamplifier.
WesincerelyhopethebrandnewS17ProEVOwillbringyouexcellentHi-Fiexperience.
Pleasereadthismanualcarefullybeforeusingthedevice.

PanelandRemote
Balanced4-pin
XLRheadphonesocket
Balanced4.4mmheadphonejack
6.35mmHeadphonejack
RCAlinein
XLRlinein(R)
XLRlinein(L)
Remote
control
receiver
C
D
XLRpreamp
1
Displayscreen
F
A
out(R)
RCApreampout
2
B
E
Powerindicatorlight
XLRpreamp
out(L)
Multifunctionknob
Powerswitchand
powerinput
1
Cha ngeinput
3
A:Curre ntinpu tchann el
2
B:Curre ntga inlevel
C:Curre ntvolume
D:Curre ntquie scentcurrent
E:Curre nttemperatureofthe
internalpowertransisto r
F:Curre ntoutp utmode
3
Mul tifun ctionKnob:
1.Rotate:adj ustvolume( MAX:63)
2.Si nglepress:changeinput(RCA/XLR)
3.Do ublepress:changequiescentcurrent
A-L:l owcurrent
A-H :highcu rrent
4.Longpress:enters ettings
G-L :lowgain
G-H :highgain
Swi tchHeadphone/PreampOutput
Dis play:o n/off
Cha ngequiescen tcur ren t
Cha ngega inle vel
Volume+
Volume-

Operations
Thesettingspagecannotbeoperatedusingtheremotecontrol;pleaseusethevolumeknobtonavigate.
Headphoneoutputmode
Autoscreen-off
(1)DISPLAYON:Alwayson
(2)DISPLAYOFF:Autoscreen-off
(Thescreenwillautomaticallyturnoffafter30secondsofinactivity,
rotatingtheknobagainwilllightupthescreen.)
Preampoutputmode
Gainmode

Introduction Specifications
As aune'snew ge nerati on of fully-discrete
cla ss-A headphone amp, the S17 Pro EVO
has the features oftwinJ FET,R2Rvolume
control, 2 levels of current to select from
(50mA/100 mA class-A quiesce nt curre nt
per transistor) , o utput power as high as
7.5 W, 3 group s of headpho ne outpu ts + 2
groupsofpreampoutputs,etc.Itisahigh-
pe rform ance ric h-sou ndi ng headp hon e
amp lifierw ithhig hpower.
Input/Outp utImpedance:
RCAinputimpedance:10KΩRCApreampoutputimpedance:200Ω
XLRinputimpedance:10KΩXLRpreampoutputimpedance:100Ω
XLR/6.35/4.4headphoneoutputimpedance:1Ω
Single-Ended6.35mmHeadphoneOutput:
Frequencyresponse(20Hz~80kHz):±0.05dB
THD+N:<0.0003%@1kHz
SNR:>115dB@600Ω
Crosstalk:<-105dB@1kHz600Ω
BalancedXLRheadphoneoutput:
Frequencyresponse(20Hz~80kHz):±0.05dB
THD+N:<0.00016%@1kHz
SNR:>116dB@600Ω
Crosstalk:<-110dB@1kHz600Ω
Dimensions:288*211*63(mm)
Accessories:powercord,6.35mmto3.5mmadapter,remotecontrol,quickstartguide

Specifications-OutputPower
G-LLowGain
Single-EndedOutput
G-HLowGain
Load
100Ω
150Ω
200Ω
250Ω
300Ω
470Ω
600Ω
BalancedOutput
32Ω
Out putVolta ge
5V
5.16V
5.16V
5.16V
5.16V
5.16V
5.16V
5.16V
10.2V
Power
780mW
266mW
177mW
133mW
106mW
88mW
56mW
44mW
PowerLoad Out putVolta ge
2880mW32Ω 9.6V
1764mW55Ω 9.85V
765mW90Ω 10V
1000mW100Ω 10V
694mW150Ω 10.2V
520mW200Ω 10.2V
416mW250Ω
347mW300Ω 10.2V
221mW470Ω 10.2V
173mW600Ω 10.2V
G-HHighGain
Single-EndedOutput
G-HHighGain
BalancedOutput
Load
100Ω
150Ω
200Ω
250Ω
300Ω
470Ω
600Ω
150Ω 16.6V
300Ω 16.6V
Out putVolta ge
32Ω
55Ω 16V
8.1V
8.3V
8.35V
8.35V
8.4V
8.4V
8.4V
8.4V
16.6V
Power
2050mW
688mW
464mW
348mW
282mW
235mW
150mW
117mW
PowerLoad Out putVolta ge
7500mW32Ω 15.5V
4654mW
2970mW90Ω 16.35V
2673mW100Ω 16.35V
1837mW
1378mW200Ω 16.6V
1102mW250Ω
918mW
586mW470Ω 16.6V
459mW600Ω 16.6V

AsaHeadphoneAmp
1.Pl ayerlineoutput→S17Prolineinput(RCA/XLR)
2.In sertheadphones
3.Presstheknobtoselectinput
4.Rotatetheknobtheadjustvolum e
5.Do ublepresstheknobtochangequiescent
cur rentlevel
6.Longpressthek nobtoenterthesettings
interfacetoswitchothe rfunctions
PairingwiththeS10N/S10ProPlayer
S17ProEVORearPanel
Caution:
Donotpluginmorethan
onepairofheadphones
4
1
R-
3
2
R+L+L-
4-PinBalancedXLRSocket
Leftc han nel+
Leftc han nelRig htcha nne l+
Rig htcha nne l-
Ba la nc ed 4 .4 mm
Singlepress:changeinput/longpress:changegainlevel
/doublepress:changecurrentlevel
S17Pro FrontPanelEVO
TheauneSR7000headphones
arerecommended

AsaPreamp
1.Pl ayerlineoutput→S17Prolineinput(RCA/XLR)
2.S1 7Propreampout→amporactivespeakers
3.Presstheknobtoselectinput
4.Rotatetheknobtheadjustvolum e
5.Do ublepresstheknobtochangequiescentcurrentle vel
6.Longpressthek nobtoenterthesettingsinterfaceto
swi tchotherfunct ions
Singlepress:changeinput/longpress:changegainlevel
/doublepress:changecurrentlevel
S17ProEVOFrontPanel
Warning:Staticelectricitymaycausethedevicetocrashorrestart
PairingwiththeS10N/S10ProPlayer
Acti veSp eaker s
AUDIO INPUT
S17ProEVORearPanel