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HIFIMAN EF400 Desktop Balanced Headphone DAC& Amplifier with Himalaya R2R DAC, 3.5/4.4/6.35mm Output for Home Audio

HIFIMAN EF400 Desktop Balanced Headphone DAC& Amplifier with Himalaya R2R DAC, 3.5/4.4/6.35mm Output for Home Audio

$662.34 USD
$662.34 USD
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Taxes included.

About this item

  • Massive power and superior sound from a sleek and stylish chassis: The EF400 is the modern desktop DAC/Amp solution, with a compact footprint and price to match, but with sonics that outperform products many times its size. Ultra-high efficiency and low power consumption at maximum stability:4.4W per channel balance output. Embedded with HIFIMAN HIMALAYA R2R DAC- Recipient of 2022 VGP Gold Technology Award (Japan).
  • Experience the prized performance of the R2R DAC: HIMALAYA is a discrete R2R DAC (digital-to-analog) module that is based on the FPGA algorithm. The combinations of its low audio frequency range, out-of-band noise, and low energy consumption make it a perfect match for high-performance audio equipment. The HIMALAYA DAC module supports the standard PCM music signal transmitted by the most common IIS (Integrated Interface of Sound) audio interface, with a maximum resolution of 24Bit.
  • Full Balance: The four-channel differential structure features a DAC, buffer and active filter that add up to unbeatable fully balanced output for stunning performance from a Class AB DAC/amplifier. The four-channel fully differential amplifier circuit features a maximum output of 10.7 Vrms (THD<1%) on a 36Ω resistor equivalent load. The result: fully balanced output that is beyond compare.
  • 4-level Function Switch: High Gain NOS, High Gain OS, Low Gain OS, Low Gain NOS ★Headphone Out (Front Panel): 6.35mm Single-ended; 3.5mm Single-ended; 4.4mm Balanced; XLR 4-Pin Balanced Output. ★Line Out (Rear Panel): CANNON Balanced Output; RCA (Single-ended).★ Input: USB Type C; USB-B
  • 110V

Overview

  • Item dimensions L x W x H: 9.69 x 8.98 x 2.4 inches
  • Voltage: 220 volts
  • Manufacturer: HIFIMAN
  • Maximum Supply Voltage: 110 volts
  • Minimum Supply Voltage: 110 volts

Low stock: 10 left

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Reviews

  • ⭐⭐⭐⭐⭐

    Olivia Bennett — Seattle, Washington

    Listenora has a practical selection of audio accessories that made it easy to find what I needed. The product information was clear, ordering was simple, and everything fit naturally into my everyday listening setup.

  • ⭐⭐⭐⭐⭐

    Ethan Parker — Austin, Texas

    I liked how easy it was to browse the different audio categories. The accessories I ordered were straightforward to use and helped make my desk setup feel cleaner, more organized, and more convenient.

  • ⭐⭐⭐⭐⭐

    Samantha Reed — Denver, Colorado

    The item arrived as expected and worked well with my setup. I especially appreciated the clear product details, which helped me check the connection type and compatibility before placing my order.

  • ⭐⭐⭐⭐⭐

    Michael Turner — Portland, Oregon

    Listenora offers useful audio products without making the shopping process feel complicated. My order was easy to track, the accessories were neatly packaged, and I would consider shopping here again for future audio needs.

FAQ

What types of products does Listenora sell?

Listenora offers everyday audio accessories for work, gaming, travel, fitness, and personal listening. Our selection includes headphones, earbuds, microphones, speakers, audio cables, adapters, stands, protective cases, replacement parts, and cleaning accessories.

How can I check whether a product is compatible with my device?

Please review the connector type, supported devices, dimensions, operating-system requirements, and compatibility information shown on the product page. For additional assistance, contact us with the exact brand and model number of your device before ordering.

How much does shipping cost?

Unless a different rate or promotion is displayed during checkout, we charge a flat shipping fee of $6.90 per order. International duties, taxes, customs charges, and other third-party fees are not included unless expressly stated.

How long does order processing take?

Orders are generally processed within 1–3 business days after payment is confirmed. Processing may take up to 5 business days during holidays, promotional events, high-demand periods, or inventory reviews.

How long will delivery take?

Estimated delivery is generally 5–10 business days within the United States and 10–20 business days for eligible international destinations after shipment. Delivery times are estimates and may be affected by carriers, customs, weather, address issues, or other circumstances.

How can I track my order?

Once your order has shipped, tracking information will generally be sent to the email address used during checkout. Tracking may take 2–5 business days after dispatch to display its first meaningful update.

Can I change or cancel my order?

Please contact us as soon as possible after placing your order. We will make reasonable efforts to assist, but changes or cancellations cannot be guaranteed once processing, fulfillment, or shipment has started.

What is your return policy?

Eligible unused products may generally be returned within 30 days after confirmed delivery. Products must meet our return conditions and receive authorization before being shipped back. Certain opened or used hygiene-sensitive audio products may not qualify for change-of-mind returns.

What should I do if my item arrives damaged, defective, or incorrect?

Contact us promptly with your order number, a description of the issue, and clear photographs or videos of the product, packaging, and shipping label. Please retain all original packaging and accessories until the issue has been reviewed.

How can I contact Listenora customer support?

Email us at gtrefasnhuim@gmail.com. Please include your full name, order number, and a clear description of your question. Most inquiries are reviewed within 1–3 business days.

Made for Everyday Listening

At Listenora, we believe audio accessories should do more than simply connect a device. They should make everyday listening feel easier, more comfortable, and better organized.

Every routine has different audio needs. Some moments call for clear communication during work or gaming, while others require compact, dependable accessories for travel, exercise, or relaxed listening. That is why Listenora focuses on practical audio products designed to support real everyday situations without making your setup feel complicated.

Our collection is selected with usability in mind — from headphones, earbuds, microphones, and speakers to cables, adapters, stands, protective cases, replacement parts, and cleaning accessories. Each product is chosen to help improve comfort, connectivity, organization, and convenience across a wide range of audio setups.

Listenora is made for people who value useful products, simple connections, and a more enjoyable listening experience. Whether you are preparing for a meeting, settling into a gaming session, heading out for a workout, or organizing your audio equipment, we are here to help make everyday sound work better for you.

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