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SMSL DO300EX Hi-Res AK4191+AK4499EX Audio Decoder & Headphone Amplifier

SMSL DO300EX Hi-Res AK4191+AK4499EX Audio Decoder & Headphone Amplifier

Regular price $469.00 USD
Regular price $469.00 USD Sale price $469.00 USD
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Canada, Mexico, Romania, United States: import duty of 10 USD

Introducing the SMSL DO300EX Hi-Res Audio Decoder & Headphone Amp

New Exterior Design

Experience the future of audio with the DO300EX, featuring a stunning floating display window design. Its tempered glass fully bonded color IPS display screen not only adds a touch of elegance but also supports independent DOP display function. Accurate decoding format judgement is now at your fingertips, complemented by the retro function knob design.

Flagship DAC Chip AK4191+AK4499EX

Unleash the power of AKM's flagship DAC chip, the AK4191+AK4499EX, within the DO300EX. Enjoy MQA hardware decoding and an astonishingly low distortion rate of 0.00006% (-124dB), delivering unmatched audio purity and precision.

New 3rd Generation XMOS XU-316

Experience uncompromising quality and performance with the DO300EX's utilization of the third-generation XMOS XU-316. With its 16 core high-end independent control chips and 5*0PA1612A, rest assured that every audio detail is handled with finesse.

Rich Input and Output Interfaces

Embrace versatility with a range of input and output options. The DO300EX offers 5 inputs including USB, Bluetooth, Optical, Coaxial, and I2S (HDMI), allowing you to connect your preferred source effortlessly. It also features 2 headphone outputs (4.4mm, 6.35mm), 2 Line Outputs (XLR, RCA), and even includes a PRE MODE for added flexibility.

4.4mm/6.35mm Headphone Interface

Enhance your listening experience with the integrated high-performance stereo headphone amplifier. The front panel features a 6.35mm single-ended headphone interface and a 4.4mm balanced headphone interface, providing ample thrust for different headphone types, including 16Ω 2000mW x 2 and 32Ω 1000mW x 2.

MQA-CD Support

Immerse yourself in audio perfection with MQA-CD support. This advanced encoding technology maintains the highest quality while preserving intricate details and dynamic range, ensuring an authentic and immersive listening experience.

Low Noise Stabilized Power Supply

Built with a focus on efficiency and reduced power consumption, the DO300EX boasts a low noise power processing system. Enjoy enhanced audio quality while optimizing energy usage.

Qualcomm QCC5125 Bluetooth Chip

With the Qualcomm Bluetooth 5.1 chip, LDAC 24bit/96kHz, APTX/HD, SBC, and AAC are all supported. Connect seamlessly to your wireless devices without compromising audio quality.

Full Function Remote Control

Take command of your audio experience with the included SMSL remote control. Crafted for superior feel and quality, it offers full function control, allowing you to tailor your sound to perfection.



 

 

Shipping & Returns

  • Free Standard full searchable Shipping
  • DDP(Delivered Duty Paid) Services, No payment on receiption
  • Free 7-Day Return Policy!

⚠️ Important Notice: EU Customs Reform Effective 1 July 2026

A new tariff system will take effect across all 27 EU member states starting 1 July 2026. The EU is abolishing the duty exemption for low-value parcels — all goods entering the EU will now be subject to customs duties, including a fixed duty of €3 per HS tariff code category for IOSS-declared goods under €150.

A handling surcharge of USD $5 has been applied to all standard shipments to EU countries on orders under $500. Orders over $500 qualify for free expedited shipping.


Shipping Fees & Couriers

We collaborate with the following courier companies:

  • Standard Shipping: Yunexpress, 4PX, NinjaVan
  • Special Country Channels: India – Yitong Express | United Kingdom – Royal Mail | Japan – Sagawa Global Transportation
  • Express Shipping (orders over $500 ship free): DHL Express, FedEx, UPS, SF Express

In the event that a shipment is refused, undeliverable, or returned to sender, HiFiCat will process a refund to the original payment method. If a customer requests reshipment, a reshipment fee will apply. A restocking fee of up to 20% may also apply.


Shipping Rates & Estimated Delivery Times

1. France, Germany, United Kingdom, Italy, Spain, Poland

All taxes and duties are prepaid (DDP). 5–10 working days. Free standard shipping.

Tracking examples:

2. EU 27 Countries (Standard Shipping)

Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Cyprus

All taxes and duties are prepaid (DDP). 10–15 working days.
💰 Shipping cost: $5.00 USD (orders $0–$500) | Free (orders $500+, via DHL Express)

Tracking examples:

3. Other European Countries (Free Standard Shipping)

Norway, Switzerland, Ukraine, Armenia, North Macedonia, Moldova, Monaco, San Marino, Vatican City, Serbia, Albania, Kosovo, Montenegro, Bosnia & Herzegovina, Belarus, Georgia, Andorra, Guernsey, Jersey, Faroe Islands, Svalbard & Jan Mayen, Guadeloupe, Réunion, Gibraltar, Isle of Man, Mayotte, Iceland, Liechtenstein, Turkey

All taxes and duties are prepaid (DDP). 10–15 working days. Free standard shipping.

4. Americas

5. Oceania

6. Asia


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Main tracking portal: https://t.17track.net/


Contact Us

📧 Email: support@thehificat.com
📞 Tel: +8619270016096

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