YinLvMei M400 Plus Bluetooth 5.0 DAC
YinLvMei M400 Plus Bluetooth 5.0 DAC
YinLvMei M400 Plus Bluetooth 5.0 DAC
YinLvMei M400 Plus Bluetooth 5.0 DAC
YinLvMei M400 Plus Bluetooth 5.0 DAC
YinLvMei M400 Plus Bluetooth 5.0 DAC
YinLvMei M400 Plus Bluetooth 5.0 DAC
YinLvMei M400 Plus Bluetooth 5.0 DAC
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Yinlvmei M400 PLUS

$659.00 USD

Bluetooth 5.0 DAC with AK4499 Chip

    Has 4 sound channel and 8 output channels
    Built-in asynchronous USB chip-SA9227
    Custom Operational Amplifier&Power Tube
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The Upgraded M400 Plus

As M400, M400 plus adopts the newest AKM flagship DAC-AK4499 chip which has 4 sound channel and 8 output channels. Each channel is equipped with an IV operation amplifier, in total of 4. It is of high resolution, and density. M400 plus is powered by 8 330UF E-type tantalum capacitor. It’s powerful

Asynchronous USB Processor

M400 plus has a built-in asynchronous USB chip-SA9227. With this chip, it’s easy to manage the output and the reforming of digital signal. Along with 3 pieces of high precision timer crystalloid, it’s more accurate and the sound quality is more elegant. Besides, the SA9227 can be a professional USB DAC

Bluetooth 5.0 CSR8675 Chip&Qi Wireless Charging..

M400 Plus adopts the Bluetooth 5.0 CSR8675 chip from Qualcomm. It’s more stable and faster in transition. It supports LDAC/APTX-HD/APTX-LL/APTX/AAC/SBC protocol. Built-in 5000mAh large capacity battery ensures long playtime. Moreover, the Qi wireless charging features makes it easier to recharge the device. Simply put your M400 plus on the wireless charging pad, and enjoy free-of-cable charging

Custom Operational Amplifier&Power Tube

M400 plus adopts customized special tuned dual operational amplifier and 8 power tubes. It has two levels of thrust control and can greatly decrease the distortion. The sound is smooth and detailed with broad sound stage. Easy to use with your phone or any other devices

PGA2311 Volume System.

M400 plus adopts the luxurious volume control system-programmable simulation volume. It can not only solve the low volume and distortion issue of traditional simulation potentiometer, but also avoid the compress of dynamic while using digital volume control system. 2 pieces of PGC2311UA makes 4 channel system. It makes the M400 plus is of high standard of sound output.

Free Shipping

Authenthic Products

Linsoul Audio is the authorized distributor. All products are authentic and genuine.

Free Shipping

Worldwide Free Shipping

We are located in china but send our products worldwide for free.


1 Year Warranty

We provide 1 year warranty for the all products except the cables*.


Online Support

We reply to all support inquiries within 3 working days.

USB Chip
Digital Receiver Chip
Bluetooth Chip
Battery capacity
with USB-7.5h; with Bluetooth mode: 7 hour
Bluetooth Protocol
IV Switch Operational Amplifier
custom dual operational amplifier+power consumption tube*8
4.4 balanced output, 3.5mm LO, 3.5mm PO, 3.5mm Coaxial
Type-C port
Output level
single end 4.25VRMS, balanced end 8.5VRMS
single end 0.0007%, balanced end 0.0006%, 1kHz 32ohms
single end 125dB, balanced end 130dB, 1kHz 32ohms
Output impedance
single end 2ohms, balanced end 1 ohms
single end 32ohm/380mw, balanced end 11250mw
Product dimension
Product weight

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Our Shipping Process

If everything goes right our system will automatically generate your order and send you a confirmation email. If you don't receive the confirmation email please double-check that it wasn't automatically stored in your spam or promotions folder.

3 Working Days*

Most of the items you see are in stock and ready to be shipped after 3 working days. If you plan to order a custom (Design or Fit) product, a pre-order, or a made to order item processing times may change on item to item basis.

Standard Shipping
15 to 30 Days.

Standard shipping is offered free worldwide for orders under $199 USD (with some exceptions), but please consider that delivery times may vary considerably depending on your country, up to 90 Days.

Express Shipping
3-6 Working Days.

All items over $200 include free express shipping (DHL or similar). If your order total is under $200 you can manually add Express Shipping during the checkout period for $15.00 USD

Shipping FAQ's

Which countries do you ship to?

We are generally able to ship to most countries via DHL Express, and many countries via Standard Shipping. You may clarify with our team to see whether Standard Shipping is available to your country.

*Note: We can only do Standard Shipping for the UK, India and Russia. We can only do Express Shipping to Africa, Argentina, Hawaii, Kuwait, Mauritius, Montenegro and Sri Lanka, to name a few.

How much does shipping cost?

We have two shipping options - Standard Shipping and Express Shipping via DHL Express.

  • Standard Shipping is free, while Express Shipping is 10-35USD depending on your country. If your order is over 200USD, Express Shipping is free.
  • Shipping fees exclude import taxes or processing fees that might be applicable for your country. Linsoul is not responsible for any form of such fees.

How long does it take to process my order after it is placed?

For in-stock products, your order will be shipped within 3 working days.

Customized items will take a longer time (do check in with our staff for more information).

On normal non-sale days, once your parcel has been shipped out:

For Standard Shipping, it takes about 2-3 weeks for items to be delivered after shipping out. For some countries, it might take up to 2-3 months, depending on your country and its customs. The duration for transit is something beyond our control. Linsoul will not be making refunds for such cases. Please consider an upgrade to DHL Express or keep the waiting time in mind.

For Express Shipping, it takes about 3-7 days for items to be delivered after shipping out.

*Note: Timings might be affected due to festive seasons or other unforeseen circumstances

Which countries do you ship to?

1. Kindly contact your local courier using the local tracking number. We will not process a refund or reshipment of the parcel since it has been shipped.

2. Customers are to bear the consequences and fees incurred, if the parcel was undelivered due to any of the following situation:

  • Wrong address or phone number provided by recipientRecipient was uncontactable when courier company contacted
  • Recipient was uncontactable when courier company contacted
  • Refusal to sign for the package by recipient
  • Lost or damaged parcel because recipient opted for “no-signature delivery”
  • Refusal to pay for the local tax/processing fee by recipient
  • Refusal to provide supporting documents for custom clearance by recipient

Who will pay for my import tax/custom fees?

Customers have to bear any form of custom/import/processing fees that are applicable for your parcel.

Should you be unwilling to pay for the fees and reject the delivery of the parcel, you will still have to pay for the shipping cost. Linsoul will only refund the amount of your order after deducting the shipping cost incurred.

How do I get help for my order?

For faulty/missing items, please send an email to support@linsoul.com to process warranty. In your email, please choose an appropriate Subject Title. Kindly include your Order Number, and state your issue clearly. Please also attach photographs/videos as “proof”, if any.

Our team aims to review your email within 3 working days.

For other queries, the fastest way to contact us is via Discord: https://discord.com/invite/5yfHcAu

How do I order Custom In-ear Monitors (CIEMs) on Linsoul?

Please kindly check the following guide first: CIEM Ordering Guide

Do I get tracking details for my order?

After placing an order, you will receive the order confirmation email. After your order has been shipped out, you will also receive a tracking email. You can track your order via the tracking number online. Should you not have received the emails or face any difficulties tracking your order, please kindly contact us for support.

What shipping companies do you use?

We collaborate with 4PX, UBI, SF Express and DHL Express.