Product: Pre-amp Valve Tube PreAmplifier Board 6J1 Bass on Musical Fidelity X10-D circuit
Specification:
- Channel Type: 2.0 / Stereo
- Power Input: AC12V 1A /5.5*2.1 plug
- Knob Functions: power switch / volume control

Features:
- FE-6J1-2.0B designed for music enthusiasts design and development.
- Enhances sound quality, providing high-quality music experience.
- Compatible with automotive CD, lossless format WAV, APE, FALC.
- Not 100% lossless sound reduction, but enhances sound quality significantly.
- Instructions:
1. AC 12V input: Use DC5.5 * 2.1 socket or 12V AC transformer (solder power lines on the circuit board).
2. Left-channel input / right channel input: Connect to mobile phones, computers, M3, MP4, and other music players.
3. Output of the left channel / right channel output: Connect to audio signal input amplifier or power amplifier boards.
4. Power switch / volume knob: Rotate the knob counter-clockwise to decrease volume, rotate clockwise to increase volume. "Ticking" sound indicates power on/off.

Package Included: 1pcs Tube PreAmplifier Board

Refund Policy:
- Package must be returned within 14 days for a replacement or money back, in factory condition.
- Defective items can be returned within 12 months for a new replacement.

Shipping:
- All packages require 30 days to arrive (US only needs 7-10 days).
- We do not offer refunds before 30 days.
- Please ensure correct return address is provided.

Payment:
- PayPal accepted.
- Payment must be received within 5 business days of auction closing.
- Special requests should be made in PayPal note.
- Special requests cannot be accepted after 24 hours of payment.

We keep a close eye on consumer needs,offering continual innovation and product development and an ever-changing core product range.Each product undergoes rigorous development and testing,keeping quality and longevity in mind.In addition,our trained customer service team work hard to ensure that any queries are dealt with efficiently and strive to ensure that you are always provided with the highest level of customer support.

Any questions,please contact us through eBay message or e-mail,We will reply within 1-2 business days(public holidays not included).
Working time:Monday-Friday 9:00 AM-5:30PM(Beijing)

A complete and correct shipping address is essential.
Customers with shipping addresses outside of the U.S.are responsible for all duties and import taxes.Please contact your customs for information.
For any further information about shipping,please contact our customer service team.

We are happy to be able to offer our customers 60 day returns on our products.All items can be returned and a refund will be issued,provided they are returned within 60 days of receipt of purchase.In the unlikely event that you are not happy with your purchase please do not hesitate to contact our customer services team.

We offer at least 1 year guarantee on all of our products.