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HiFiMAN

HiFiMAN - EF400

Desktop R2R DAC & Headphone Amp
Sale price₹ 29,999 Regular priceMRP: ₹ 64,999
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7 Day Replacement Guarantee

In case you receive the HiFiMAN - EF400 with a manufacturing defect, please raise a return request within 7 days of delivery.

However, if you receive an incorrect / damaged / different product or one with missing accessories, please raise a return request within 24 hours of delivery. In case you receive a product with a missing, incorrect, or faulty accessory, you will be given a replacement accessory instead of the entire product.

Please make sure that the product is in the original packaging with all the accessories it came with. We'll also need an unboxing video and images of the parcel to investigate about the discrepancy. You may be asked to share images of the product and the packaging received for us to determine the damage or defect prior to approving the return request. The free replacement will be shipped only once the original order is returned.

A replacement will be issued only if:

- It is found to be defective
- It is determined that the product was not damaged while in your possession
- The product is not different from what was shipped to you
- The product is returned in original condition (with brand’s/manufacturer's box, MRP tag intact, user manual, warranty card and all the accessories therein)

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Warranty & Services

Don't sweat it, this HiFiMAN - EF400 comes with a 1 Year warranty from HiFiMAN that covers manufacturing defects. All products featured on Headphone Zone are backed by an original manufacturer's warranty.

Read more about HiFiMAN's warranty in India.

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Why HiFiMAN is Special

🇨🇳

Designed in China
Established & Reputed

Trust us, our reputation in the audio world speaks for itself!


This headphone or gear comes from a well-respected brand known for its high-quality audio equipment, so you can be confident in your purchase.


If you see a product marked as “🎖️ Established & Reputed”, it means you're getting a top-tier device from a brand that's earned its stripes in the audio industry.
Specialist

A masterpiece from the experts who know audio inside and out!


This headphone or gear is crafted by specialists who know their stuff, ensuring every detail is perfect.


If you see a product marked as “🌟 Specialist”, it means you're choosing a device designed by experts who specialize in creating this specific category of device.
🐣

Born in 2005

Why we love this DAC/Amp

Premium Economy

Sensible spending and class above in quality. 


This headphone or gear offers top-notch sound and performance without much impact on your pocket, promising a delightful experience that exceeds your expectations at an economical price point.


If you see a product marked as “💎 Premium Economy," it indicates that you're getting a high-quality audio product with exceptional sound clarity and reliable performance, all at a budget-friendly price.

Serious Audiophiles Only

Diving deeper into exploring the hobby is never enough.


If you're an audiophile on a hunt for a device that meets your high standards, this is one such headphone or gear designed for discerning audiophiles like you in mind.


If you see a product marked with “🦈 Serious Audiophiles Only" we assure you that this device can match your depth of knowledge and expertise to take your passion for audio to the next level.
Audiophile Community Favourite

This headphone or gear has a seal of approval from our audiophile community.


It is hit among the pickiest of audio enthusiasts. It comes with two thumbs up and is the community’s and one of our favourites.


If you see a product marked as “🦋 Audiophile Community Favourite”, you're in for a sonic treat with top-tier sound quality that will make your ears swoon and elevate your listening experience to new heights!
Incredibly Popular

Some things deserve all the attention.


This headphone or gear is a crowd favourite, winning over fans everywhere with its undeniable audio quality.


If you see products marked as “🥇 Incredibly Popular”, you’re opting for a tried-and-true choice that’s loved by many, ensuring you're getting something that’s proven to be awesome and widely acclaimed.
Our Team's Favourite

Cause after all, we are audiophiles first!


This headphone or gear has won the hearts of our team, standing out as a top pick among our gurus.


If you see products marked as “💙 Our Team’s Favourite”, you're choosing a product that’s been tested, loved, and enthusiastically recommended by our team, giving you confidence that it’s a standout choice!
For Audiophiles at Home

Cause music hit differently when you are in your own space.


This headphone or gear is perfect for those who demand exceptional sound quality in their personal sanctuary.


If you see products marked as “🏠 For Audiophiles at Home”, get ready to transform your living space into an audiophile's paradise, with rich, immersive sound that makes every listening session a masterpiece.
Connect With Cable

This device comes with multiple connectivity options. Be sure to check if your source and output support these input and output options.

Why it Sounds Amazing

DAC Chip

Know the secret to your pristine audio.


This headphone or gear reveals the secret sauce behind superior audio quality, highlighting the presence of a high-performance DAC chip for pristine sound reproduction.


If you see products marked as “⚙️ DAC Chip”, expect to experience your music with unparalleled clarity, detail, and fidelity, ensuring that every note and nuance is faithfully reproduced for your listening pleasure.
Power Output

When you need that juice to get the best out of your products.


This headphone or gear packs a punch, revealing the product's impressive power output capabilities, ensuring it can handle even the most demanding products with ease.


If you see products marked as “🚀 Power Output”, you're in for a treat with robust performance for driving high-fidelity products without breaking a sweat.
Balanced Output

Upgrading from single-ended to balanced can be the easiest way to improve your sound.


This DAC, Amp or Hi-Res player offers a balanced output, ensuring pristine audio quality with minimised interference and enhanced clarity for your listening pleasure.


If you see a product marked as "⚖️ Balanced Output”, get ready for a symphony of crystal-clear tunes, free from any unwanted noise drama!
HiFiMAN pushes the envelope in terms of innovation with the all-new R2R EF400. The EF400 is such an incredibly mature and rich-sounding device that it is hard to believe it retails for the price it does. HiFiMAN EF400 just did something that raised the bar for all its competitors out there.
RAGHAV SOMANI

About RAGHAV SOMANI

Raghav Somani is the Founder & CEO of Headphone Zone. An avid audiophile and musician since 2008, his choice of headphones include STAX Electrostats, Audeze LCD 3, and for music on the go, the JH Audio Roxanne + Astell&Kern SP1000 is never too far away. On his playlist, you'll find A.R. Rahman, Michael Jackson, and the Eagles.

BALANCED DAC & HEADPHONE AMP FEATURING HIMALAYA R2R DAC

HiFiMAN proudly presents the all-new EF400, a Balanced DAC & Headphone Amp that combines the newly developed technology, including the company's superior HIMALAYA R2R DAC architecture. The EF400 is a modern desktop DAC and amplifier delivering Next-Level Sonic Performance. With the high-level technology developed by HiFiMAN, it comes as no surprise that the HIMALAYA R2R DAC had been a recipient of the 2022 lifestyle VGP Gold Technology Award held in Japan.
EF400

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MASSIVE POWER OUTPUT OF 4.4 W PER CHANNEL DELIVERING SUPERIOR SOUND

The HiFiMAN EF400 is a modern desktop DAC & Amp solution. Providing Ultra-high efficiency and low power consumption at maximum stability of 4.4W per channel balanced output. HiFiMAN EF400 is embedded with oxygen-free copper wire wound toroidal transformer, HIMALAYA R2R DAC module, 30000uf large capacitors, and high current amplifier circuit to deliver optimum and stable power outputs.

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EXPERIENCE THE PERFORMANCE OF THE R2R DAC, A RARE DELIGHT MADE POSSIBLE BY HIFIMAN

The HiFiMAN EF400 DAC & Amp architecture is designed with a discrete HIMALAYA R2R DAC module, based on an FPGA algorithm. It's an excellent match for high-performance audio equipment because of its low audio frequency range, minimal out-of-band noise, and low energy consumption. With a maximum resolution of 24 bits, the HIMALAYA DAC module supports the standard PCM music signal provided by the most common IIS (Integrated Interface of Sound) audio interface. A DAC, buffer, and active filter result in an unequaled balanced output for outstanding performance from a Class AB DAC/amplifier setup. On a 36 Ohms equivalent load, the four-channel differential amplifier circuit produces a maximum output of 10.7 Vrms (THD1%). The result is a perfectly balanced output that is unrivaled.

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OPTIMAL BUILD AND SUPREME CONNECTIVITY OPTIONS WITH 4-LEVEL GAIN FUNCTION SWITCH

EF400 has a polished and stylish chassis which gives it a robust feel and premium look. The compact physical dimensions of the EF400 contradict its substantial output. Measuring 246.5mm(L)×228mm(W)×61mm(H), the EF400 requires the bare minimum of desktop or rack space. The front panel includes two unbalanced outputs - 6.35mm, and 3.5mm, and two balanced outputs 4.4mm, XLR four-pin. In addition, EF400 also offers a four-level gain function switch with High Gain NOS, High Gain OS, Low Gain OS, Low Gain NOS Headphone Out, and volume control. The rear input panel includes jacks for USB-B and USB-C source connectors, dual (L/R) XLR three-pin fully balanced line outputs, and is a rarity in products.

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1 Year Warranty

Don't sweat it, this HiFiMAN - EF400 comes with a 1 Year warranty from HiFiMAN that covers manufacturing defects. All products featured on Headphone Zone are backed by an original manufacturer's warranty.

Read more about HiFiMAN's warranty in India.

A Decade of Audiophile Excellence

Founded in 2005 and headquartered in Tianjin, China, HiFiMAN stands as a leading manufacturer of audio products, specializing in headphones, amplifiers, and portable audio players. Renowned for its critically acclaimed Planar Magnetic headphones, HiFiMAN is revered among audiophiles for its state-of-the-art driver technology. Led by Dr. Fang Bian, the company has garnered awards and rave reviews for its best-in-class earphones and in-ear drivers.

From the Sundara and Ananda headphones to the RE400 and RE800 earphones, HiFiMAN's products are cherished by audiophiles worldwide for their flawless performance and exceptional sound quality.

Explore Collection
VGP

GOLD AWARD

VGP 2023
Dec, 2022

Customer Reviews

Based on 6 reviews
50%
(3)
17%
(1)
17%
(1)
0%
(0)
17%
(1)
I
Inderjit yadav (Gurgaon)
Design and Comfort:
Great
Poor
Sound Quality:
Awesome
Awful
Value for Money:
Bang On!
Not at all
Best dac/amp i have used

I am using with hifiman xs and this sounds amazing this is end game for me right now thankx headphone zone

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We're really happy that you have such great thoughts about the product and thanks for the amazing review!

A
Aniel (Delhi)
Is the HiFiMAN EF400 R2R DAC Amp Worth Buying

The HiFiMAN EF400 R2R DAC Amp is still a solid choice. It offers impressive performance, a compact design, and a competitive price for an R2R DAC/amp combo.
Here are some key features and reasons I have considered before buying it:
* R2R DAC: Known for its natural and analog-like sound, the R2R DAC architecture provides a distinct listening experience.
* Powerful Amplification: The EF400 can drive a wide range of headphones, from efficient IEMs to demanding planar magnetic models.
I paired it with my Audeze LCD2 Classics & the Sennheiser HD800 besides IEMS like Sennheiser ie600, Letshuoer and all sounded super good. No harsh tones or harsh treble especially in my unit. Very good timbre and very musical and laid back sound.
* Compact Design: Its small footprint makes it ideal for desktop setups.
* Value for Money: Considering its performance and features, the EF400 is a great value compared to other R2R DAC/amp options and at 30k price now it is surely worth considering.
However, it's worth noting:
* I did not face any crackling or pop up or hissing sounds in my unit. The floor background is absolutely silent. Also after the burn in period of say 150 hours I am sure It will sound super good .
*One point to note is Ef400 will not play Native DSD files. It's max resolution is 24 bits 192khz. This is a disadvantage especially for me. However, I tried DSD DSF files and they played well perhaps it was converted to PCM by the DAC inside.
Ultimately, whether the EF400 is right for you depends on your personal preferences, budget, and specific listening needs. If you're looking for a well-rounded R2R DAC/amp with a focus on natural analog & Organic sound and powerful amplification, and not very analytical it's definitely worth considering.
My Impressions : Very Good Instrument Separation, super clarity and good impactful Bass. Vocals & midrange very prominent. Lows & upper bass not muffled. Highs clear & not harsh and Imaging very well defined. Soundstage and width is excellent.
Cant make out much difference in NOS & OS gain selection as of now. Perhaps after the burn in period may get to notice the changes.
Volume is very powerful and had to keep it at a good listening level below 9oclock position of the Dial. Have only been using it in balanced mode.
There may be many reviews out there but as a first hand experience I have really enjoyed the R2R Dac Topology more than the Delta Sigma Dacs. Also the Amp section is very good and perfectly aligned with the Dac. This unit being a Combo is just great. I would give it 4.5 stars for lack of inputs in the Rear. It is only having USB B & C inputs which is the only drawback. Cheers & happy Listening.

User picture

Hi there! Thank you for taking the time to leave such a detailed and informative review for the HiFiMAN EF400 . We're glad to hear that you have been enjoying its performance and features, and we appreciate you mentioning its compact design and value for money. We understand your concern about not being able to play DSD files, but we're happy to hear that it still plays well. We hope that after the burn-in period, you will continue to enjoy its natural and powerful sound.

S
Satyam (Hyderabad)
Design and Comfort:
Great
Poor
Sound Quality:
Awesome
Awful
Value for Money:
Bang On!
Not at all
Average

3 dimensity missing while clarity somewhat little improved from a 3.5 mm jack. More towards pricey side.

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V
V.T. (Ahmedabad)
A nice full and lush sound

I am using the EF400 for around 3 months now. I have paired it with the HD6xx and Meze 99 classics, two very different headphones. I own a Topping D50s/A50s stack. Compared to the highly detailed resolution of the Topping, the EF400 sounds more lush and richer. It softens the harsh treble of the 99 classics. However, where it really shines is with HD6xx. These headphones thrive on power and the EF400 provides tons of it. It enhances the neutral sound of the HD6xx in a very pleasant way. I am not a basshead and listen to lots of vocals. The R2R DAC really brings out the lower and upper mid-range frequencies ad vocals sound warm and pleasant. Overall this is quite a contrast to my D50s/A50s stack and I love being able to listen to both depending on my mood.

Hey there, thank you for the great review and ratings! So delighted that you are loving your purchase. Hope you had a comfortable shopping experience. Cheers!

B
Balaji d (Vellore)
Lush and musical

This is the most lush and musical dac & amp I’ve purchased
Superb dynamics with non fatiguing music, can listen for hours
Unleashes the true potential of iems and headphones
I’ve also connected my monitor speakers to it
Definitely recommended

User picture User picture User picture

Hey Balaji, thanks a lot for this lovely review and we are glad you are enjoying it! Keep the music playing.

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