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Aune S17 Pro EVO Headphone Amp, Pre-amp, Fine Volume Curve, Pure Class-A, Fully-Discrete Fully Balanced, 6.35mm/XLR/4.4mm Headphone Jack, Twin JFET, XLR/RCA Preamp Out, for DAC/Speaker/Home Audio

Condition: New
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$799.00
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Availability: 12 left in stock
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Arrives Thursday, Nov 5
Order within 4 hours and 11 minutes

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At a glance

Condition
New
Model
S17 Pro EVO - Silver
Dimensions
14"D x 11"W x 2.76"H
Color
Silver
Output Wattage
7.5 Watts
Power Source
AC adapter
Amplifier Type
Solid State
Warranty
2 years
Works with
Guitar, Keyboard, All

Features 6

  • [Twin JFET | 2 Pairs of Transistors per Channel] JFET has high input impedance and rich sound. The S17 Pro EVOs Twin JFET is more than that - same temperature rises, same performances and stable mid-point voltage. Its the ideal input transistor of a headphone amp. | The final output stage uses 2 pairs of output transistors in parallel. The whole device has as many as 16 output transistors. Max output is as high as 7.5 W. It can drive all kinds of headphones and IEMs with ease
  • [Class-A, 2 Levels of Current/Gain] 50 mA/100 mA per transistor; each channel has 2 pairs of transistors in parallel, so the quiescent current of each channel is as high as 100 mA/200 mA. The sound of a class-A amp is mellow, warm and smooth; 2 gain levels: the low gain takes advantage of the class-A amps feature that the transistors are always working in the linear area to drive the lEMs well and properly, while the high gain is as high as 7.5 W and thus can drive headphones well with big power
  • [R2R Electronic Volume Chip | Rigorous HiFi Component Selection] Uses the R2R electronic volume chip from JRC and the dedicated op-amps to build the 4-way balanced R2R volume control. High control precision, great channel balance, wide soundstage, accurate positioning. | The components are high-quality and carefully selected, such as the electrolytic capacitors, the ceramic capacitors, the organic thin-film capacitors, the communication-grade PCB, etc. Everything is aimed at good sound
  • [2 Colors to Present Current Level/Temperature | Overheat Protection | 3-Dimensional Cooler Structure] 100 mA mode is a high current Class A operation mode, similar to the GT mode in a racing car. There will be a slow temperature rise. (If the headphone impedance is low, it can lead to a faster temperature rise.) When the device temperature reaches 69 C, due to overheat protection, the S17 Pro will auto switch to 50 mA Class A current mode which still maintains very good sound quality

Specs 14

Brand Aune
Color Silver
Output Wattage 7.5 Watts
Product Dimensions 14"D x 11"W x 2.76"H
Power Source AC adapter
Output Channel Quantity 5
Amplifier Type Solid State
Connector Type 3.5mm Jack, 6.35mm Jack, Coaxial, RCA, XLR

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Nov 5

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


Headphone Ampapalooza!
Model: S17 Pro EVO - Silver
I am still early on in my hours on this amplifier., the Aune S17 Pro EVO. This is the newest upgrade model of this Aune amp line. However, I feel comfortable in this review. What a great sounding Class A headphone amp. This just puts such a deep floor on my Fostex TH900 MK2's you would believe there was a sub in your ear. Plus, I am using the preamp function to great effect with my tube amps. Very nice and very easy to navigate the system. The connections are great. I am using the 4.4mm balanced input and RCA unbalanced out for the Pre. Clarity and Detail at this price point are both exceptional. Please be assured of the value. I also have the more straightforward Beyer DT1770 Pro studio monitor phones and again, the transparency is just there, top to bottom clean Class A warmth. My bread and butter sound. I am not a fan of open back phones from the early 2k's but; I purchased this specific amp so that I could try them again. The amp is said to be able to drive all of the most demanding cans including the Susvarnas. If I want to try some of the higher end planars this will drive them according to WaveTheory, et. al. on YT. ... show more
Reviewed in the United States on July 1, 2025 by RegulusD

Faulty in less than one year.
Model: S17 Pro EVO - Silver
I only use this amplifier like 2-3 times per month. In last one year, no sound comes out from the left channel with XLR input. I tried different cables and DACs but nothing help.
Reviewed in the United States on March 24, 2026 by gn02317298

ordered new sent used
Model: S17 Pro EVO - Silver
Bought new full price unit was sent a used unit with marks on case
Reviewed in the United States on January 11, 2026 by Laurie

overheat problem
Model: S17 Pro EVO - Silver
it has overheating issue sound good though
Reviewed in the United States on August 15, 2025 by Amelia
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