aune X7s Pro Clas Headphone Amplifier With Balanced Output User Manual

May 15, 2024
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aune X7s Pro Clas Headphone Amplifier With Balanced Output

aune-X7s-Pro-Clas-Headphone-Amplifier-With-Balanced-Output-
PRODUCT

Specifications

  • Input: RCA
  • Output: RCA (when used as a pre-amplifier)
  • Transistors: 8 T0220 transistors
  • Amplifier Type: Class-A
  • Headphone Amplifiers: 4
  • Output Sockets: Balanced 4-pin XLR, Single-ended 6.35mm

Product Usage Instructions

Front Panel Overview

  • Balanced XLR headphone output socket
  • 6.35mm headphone jack
  • Power indicator
  • Volume knob

Rear Panel Overview

  • Power switch
  • Power input
  • Line input
  • Pre-amp output

Bottom Panel Overview

  • The X7s Pro is a high-quality class-A headphone amplifier designed with eight T0220 transistors and a class-A biasing.
  • It features four headphone amplifiers to build both a balanced output with a 4-pin XLR headphone socket and a single-ended output with a 6.35mm headphone port. Additionally, it can function as a pre-amplifier when needed.

Product Care:

  • Ensure the device is placed on a stable surface to prevent any accidental falls or damage. Keep the amplifier clean and dust-free to maintain optimal performance.

Frequently Asked Questions (FAQ):

Q: Can the X7 Pro be used with wireless headphones?

  • A: No, the X7s Pro is designed for wired headphones with the provided output sockets.

Q: How do I adjust the gain controls on the bottom panel?

  • A: Use a small screwdriver to turn the gain controls to your desired level. Be cautious not to apply too much force to avoid damaging the controls.

Preface

  • Dear Customers,
  • Thanks for purchasing the X7s Pro and congratulations on choosing this high-quality class-A headphone amplifier.
  • We sincerely hope the brand new X7s Pro will bring you great listening pleasure.
  • To fully appreciate the capabilities of the X7s Pro, please read the following manual carefully and completely before using the product.

View of the front panel and name of each part

aune-X7s-Pro-Clas-Headphone-Amplifier-With-Balanced-Output-
FIG-1

  • Balanced XLR headphone output socket
  • 6.35mm headphone jack
  • Power indicator
  • Volume knob

View of rear panel and name of each partaune-X7s-Pro-Clas-Headphone-
Amplifier-With-Balanced-Output-FIG-2

  • Power switch
  • Power input
  • Line input
  • Pre-amp output

View of the bottom panel and name of each part

Gain control of the headphone output

Introduction

  • The X7s Pro is the latest class-A balanced output headphone amplifier of Aune with eight T0220 transistors and the design of clas-A biasing.
  • It has 4 headphone amplifiers within to build the balanced headphone socket and the single-ended headphone port. It can also be used as a pre-amplifier.
  • The X7s Pro is a mini desktop class-A headphone amplifier with great power and rich sound.

Specifications

  • Input: RCA
  • Output: RCA (when used as a pre-amplifier)
  • Singled-ended port: 6.35mm headphone port
  • Balanced output: 4-pin balanced XLR headphone output socket
  • Frequency response: 20Hz-200kHz ‡ 0.3dB

Distortion:

  • TYP THD+n <0.00014% @1kHz 3000
  • TYP THD+n <0.00013% @1kHz 3000 XLR

IMD:

  • TYP CCIF IMD <0.00036%
  • TYP CCIF IMD <0.00057% XLR

Output power:

  • MAX OUTPUT POWER=250mW @3000
  • MAX OUTPUT POWER=1000mW @3000 XLR
  • Dimensions: 145 x 45 x 171 (mm)
  • Net Weight: 2kg
  • Gross Weight: 2.5kg
  • Accessories: A power cord. quick start guide. 6.35mm to 3.5mm adapter x 1

OPERATING INSTRUCTIONS

AS A HEADPHONE AMPLIFIER

  1. Connect “AUDIO OUT”/”LINE OUT” of the sound source (e.g. aune X8/X5s) to “AUDIO IN” of the X7s Pro
  2. Plug the headphones into the X7s Pro
  3. Set the volume to a minimum before putting on the headphones
  • Notice: Please adjust the gain control on the bottom panel according to the headphones.

Caution:

  • It is prohibited to use the two headphone ports at the same time.

Balanced female socket definition

  1. L+ Left channel+
  2. L- Left channel-
  3. R+ Right channel+
  4. R- Right channel-aune-X7s-Pro-Clas-Headphone-Amplifier-With-Balanced-Output-FIG-5

AS A PRE-AMPLIFIER

  1. Connect “AUDIO OUT” /”LINE OUT” of the sound source (e.g. aune X8/X5s) to “AUDIO IN” of the X7s Pro
  2. Connect the “AUDIO OUT” of the X7s Pro to the “AUDIO IN” / “LINE IN” of an active speaker or an amplifier LINE IN” of an active speaker or amplifier
  3. Set the volume to a minimum before putting on the headphones

Notice: please set the gain to 12dB when using the X7s Pro as a pre- amplifier.aune-X7s-Pro-Clas-Headphone-Amplifier-With-Balanced-Output-
FIG-6

HEADPHONE OUTPUT GAIN ADJUSTMENT

  1. The gain of headphone output is adjustable for different headphones.
  2. When switch 1 and switch 2 are both OFF, the gain is OdB
  3. When switch 1 is ON and switch 2 is OFF, the gain is 12dB
  4. When switch 1 and 2 are both ON, the gain is 20dB

Gain at Max. Volume

Measurements

aune-X7s-Pro-Clas-Headphone-Amplifier-With-Balanced-Output-
FIG-8aune-X7s-Pro-Clas-
Headphone-Amplifier-With-Balanced-Output-FIG-9

WARNING MESSAGES

  • Use exclusively recommended accessories to prevent faults, short circuits, or electric shocks.
  • Do not expose the unit to moisture or rain.
  • Do not attempt to remove parts of the body (covers); specialist repairs can be carried out only at authorized service centers

LEGAL NOTES

  • Please ensure that you observe copyright laws.
  • The recording and publication of prerecorded media such as tapes, CDs, or other published or broadcast material may contravene copyright laws.
  • This also applies to all of the software supplied.
  • Other names, companies, or product names referred to in this manual are trademarks or registered trademarks of the relevant companies.

DISPOSAL ELECTRONIC EQUIPMENT

  • (Applies within the EU, and for other european countries with separate waste collection systems)
  • This device contains electronic components and therefore may not be disposed of as general household waste.
  • Instead, it should be disposed of at a recycling collection point provided by the local authority. This costs you nothing.
  • Your local authority waste disposal authority, or the shop where you bought this device, can provide you with further information on this issue.
  • aune
  • 430034 WUHAN
  • CHINA
  • Email:sales@auneaudio.com
  • Fax: 027-85840435
  • www.auneaudio.com
  • Wuhan Aune Acoustics Co., Ltd.
  • ADD: No. 17, Gutian 5th Rd, Qiaokou District, Wuhan 430000, China
  • Web:www.auneaudio.com
  • Email:sales@auneaudio.com

References

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