Headphone-Zone-STAX-SRM-400S
Headphone-Zone-STAX-SRM-400S
Headphone-Zone-STAX-SRM-400S
Headphone-Zone-STAX-SRM-400S
Headphone-Zone-STAX-SRM-400S
Headphone-Zone-STAX-SRM-400S
Headphone-Zone-STAX-SRM-400S
Headphone-Zone-STAX-Authenticity-Certifiacte

STAX

STAX - SRM-400S

Electrostatic Energiser For STAX Headphones
Sale price₹ 114,990 Regular priceMRP: ₹ 118,990
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GET 18% GST INPUT

One of the reasons headphones and earphones in India are more expensive than overseas is because of the Goods & Services Tax in India.

Don't let the GST input go to waste especially if you can avail an offset.

All products sold on Headphone Zone carry a GST compliant invoice and all products sold include an 18% GST.

Simply enter your GST number at the time of checkout.

Warranty & Services

This STAX - SRM-400S comes with a warranty from STAX that covers manufacturing defects. All products featured on Headphone Zone are backed by an original manufacturer's warranty.

Read more about STAX's warranty in India.

7 DAY EASY EXCHANGE

The STAX - SRM-400S is eligible for Easy Exchange within 7 days of delivery. Your exchange request will be accepted only once. We want to make sure that you end up with a product that you 100% love. 

An exchange will be allowed only if 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)

You will receive full Store Credit in your Headphone Zone account so that you may choose another product from our website which would be more suited to your needs. Refunds will NOT be possible under our 7 Day Easy Exchange Policy.

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Bajaj Finserv

Tenure available: 3 Months
Eligibility: All Bajaj Finserv card owners
Transaction value: All orders above Rs. 4,500/-
Payment Gateway: Please choose Razorpay at checkout

Tenure Interest% Installment Interest
3 No Cost EMI ₹ 38,330 ₹ 0

Zest Money

Tenure available: 3 Months
Eligibility: All Zestmoney users
Transaction value: Depends on your credit limit
Payment Gateway: Please choose Cashfree at checkout

Tenure Interest% Installment Interest
3 No Cost EMI ₹ 38,330 ₹ 0

Simpl Pay in 3

Salary week offer
  1. Offer valid from 1st July to 10th July, 2022
  2. Users will get 10% cashback up to a maximum of ₹500 on a minimum order value of Rs 5,000/-
  3. The offer is valid only once per user during the offer period.
  4. No coupon code required.
  5. Offer valid for orders worth ₹5,000 & above.
  6. Users who make the 1st month’s payment (1st installment) will be eligible for cashback.
  7. Eligible cashback amount will reflect in the user's Simpl account within 24 hours of successful transaction. Details will also be communicated through Email and SMS.
  8. For all the eligible transactions taking place on Friday, Saturday and Sunday, the cashback will be processed on Monday.
  9. The eligible cashback amount will be adjusted against the 2nd payment and will reflect in the pending dues.
  10. The eligible cashback amount can only be used for Simpl Pay in 3 transactions/installments and not for Simpl Pay Later transactions.
  11. Cashback will be canceled in case of full refunds or cancellation of orders.
  12. Offer is only valid for transactions done via Simpl Pay in 3.
  13. Any customer availing the cashback shall be deemed to have accepted the terms and conditions.
  14. Simpl reserves the right to disqualify the user from cashback eligibility if any fraudulent activity is identified.

AXIO

Tenure available: 3 or 6 Months
Eligibility: All above 21 years of age
Transaction value: Available on all orders below Rs. 60,000/-
Payment Gateway: Please choose Razorpay at checkout

Offer alert: Get Flat Rs. 500 Cashback on orders above Rs. 5,000 with AXIO. Valid till 31st July, 2022
Tenure Interest% Installment Interest
3 No Cost EMI ₹ 38,330 ₹ 0
6 No Cost EMI ₹ 19,165 ₹ 0

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7 DAY REPLACEMENT GUARANTEE

In case you receive the STAX - SRM-400S 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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CLUB AUDIOPHILE

Join Club Audiophile to begin your pursuit of great sound. Earn points and save on every purchase.

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No Cost EMI Options

Tenure available: 3 Months
Eligibility: All Bajaj Finserv card owners
Transaction value: All orders above Rs. 4,500/-
Payment Gateway: Please choose Razorpay at checkout

Tenure Interest% Installment Interest
3 No Cost EMI ₹ 38,330 ₹ 0

Tenure available: 3 Months
Eligibility: All Zestmoney users
Transaction value: Depends on your credit limit
Payment Gateway: Please choose Cashfree at checkout

Tenure Interest% Installment Interest
3 No Cost EMI ₹ 38,330 ₹ 0

Tenure available: 3 Months
Eligibility: All Simpl users
Transaction value: Depends on your credit limit
Payment Gateway: Please choose Simpl Pay in 3 at checkout

Tenure Interest% Installment Interest
3 No Cost EMI ₹ 38,330 ₹ 0
Salary week offer
  1. Offer valid from 1st July to 10th July, 2022
  2. Users will get 10% cashback up to a maximum of ₹500 on a minimum order value of Rs 5,000/-
  3. The offer is valid only once per user during the offer period.
  4. No coupon code required.
  5. Offer valid for orders worth ₹5,000 & above.
  6. Users who make the 1st month’s payment (1st installment) will be eligible for cashback.
  7. Eligible cashback amount will reflect in the user's Simpl account within 24 hours of successful transaction. Details will also be communicated through Email and SMS.
  8. For all the eligible transactions taking place on Friday, Saturday and Sunday, the cashback will be processed on Monday.
  9. The eligible cashback amount will be adjusted against the 2nd payment and will reflect in the pending dues.
  10. The eligible cashback amount can only be used for Simpl Pay in 3 transactions/installments and not for Simpl Pay Later transactions.
  11. Cashback will be canceled in case of full refunds or cancellation of orders.
  12. Offer is only valid for transactions done via Simpl Pay in 3.
  13. Any customer availing the cashback shall be deemed to have accepted the terms and conditions.
  14. Simpl reserves the right to disqualify the user from cashback eligibility if any fraudulent activity is identified.

100% Buyer Protection

Once you receive your pre loved purchase, you get 48 hours to inspect and let us know if it's not as per the specs and images in the listing.

If the product you received is not functional, we will pick it up and send it back to the seller and you can choose to get a full refund or store credit.

7 DAY REPLACEMENT GUARANTEE

All bundled products are covered by the Headphone Zone 7 Day Replacement Guarantee.

However, you cannot return any item in the case you do not like it. If one item is defective - you will get a free replacement for that item. No refund or store credit will be given.

Please keep the product in its original condition with all accessories & packaging for a successful return. We may contact you to assess the damage or defect before issuing a replacement.

Read more

ABOUT PRAVEEN KAMATH

Praveen, our Headphone Guru is an audio connoisseur and staunch Meze fanboy. He loves the RAI Penta and the Empyrean, equally. When not writing about, thinking about or listening to music: He's an avid beerologist too and staunchly believes that the combination of both beats every music setup out there! You'll often find him listening to The Weeknd, The Score and The Script.

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.

Browse EMI Plans

EMI Options through UPI / Debit / Credit Cards


Tenure available: 3 Months
Eligibility: All Simpl users
Transaction value: Depends on your credit limit
Payment Gateway: Please choose Simpl Pay in 3 at checkout

Tenure Interest% Installment Interest
3 No Cost EMI ₹ 38,330 ₹ 0

Salary week offer
  1. Offer valid from 1st July to 10th July, 2022
  2. Users will get 10% cashback up to a maximum of ₹500 on a minimum order value of Rs 5,000/-
  3. The offer is valid only once per user during the offer period.
  4. No coupon code required.
  5. Offer valid for orders worth ₹5,000 & above.
  6. Users who make the 1st month’s payment (1st installment) will be eligible for cashback.
  7. Eligible cashback amount will reflect in the user's Simpl account within 24 hours of successful transaction. Details will also be communicated through Email and SMS.
  8. For all the eligible transactions taking place on Friday, Saturday and Sunday, the cashback will be processed on Monday.
  9. The eligible cashback amount will be adjusted against the 2nd payment and will reflect in the pending dues.
  10. The eligible cashback amount can only be used for Simpl Pay in 3 transactions/installments and not for Simpl Pay Later transactions.
  11. Cashback will be canceled in case of full refunds or cancellation of orders.
  12. Offer is only valid for transactions done via Simpl Pay in 3.
  13. Any customer availing the cashback shall be deemed to have accepted the terms and conditions.
  14. Simpl reserves the right to disqualify the user from cashback eligibility if any fraudulent activity is identified.

Tenure available: 3 Months
Eligibility: All Bajaj Finserv card owners
Transaction value: All orders above Rs. 4,500/-
Payment Gateway: Please choose Razorpay at checkout

Tenure Interest% Installment Interest
3 No Cost EMI ₹ 38,330 ₹ 0

Tenure available: 3 Months
Eligibility: All Zestmoney users
Transaction value: Depends on your credit limit
Payment Gateway: Please choose Cashfree at checkout

Tenure Interest% Installment Interest
3 No Cost EMI ₹ 38,330 ₹ 0

EMI Options through Other Credit Cards


Tenure Interest% Installment Interest
3 14% ₹ 39,228 ₹ 2,693
6 14% ₹ 19,955 ₹ 4,741
9 14% ₹ 13,534 ₹ 6,811
12 14% ₹ 10,325 ₹ 8,905
18 14% ₹ 7,120 ₹ 13,163
24 14% ₹ 5,521 ₹ 17,514
Tenure Interest% Installment Interest
3 No Cost EMI ₹ 38,330 ₹ 0
6 No Cost EMI ₹ 19,165 ₹ 0
9 14% ₹ 13,534 ₹ 6,811
12 14% ₹ 10,325 ₹ 8,905
18 15% ₹ 7,174 ₹ 14,135
24 15% ₹ 5,575 ₹ 18,822
Tenure Interest% Installment Interest
3 No Cost EMI ₹ 38,330 ₹ 0
6 No Cost EMI ₹ 19,165 ₹ 0
9 13% ₹ 13,479 ₹ 6,318
12 13% ₹ 10,271 ₹ 8,257
18 15% ₹ 7,174 ₹ 14,135
24 15% ₹ 5,575 ₹ 18,822
Tenure Interest% Installment Interest
3 No Cost EMI ₹ 38,330 ₹ 0
6 No Cost EMI ₹ 19,165 ₹ 0
9 15% ₹ 13,588 ₹ 7,306
12 15% ₹ 10,379 ₹ 9,556
18 15% ₹ 7,174 ₹ 14,135
24 15% ₹ 5,575 ₹ 18,822
Tenure Interest% Installment Interest
3 No Cost EMI ₹ 38,330 ₹ 0
6 No Cost EMI ₹ 19,165 ₹ 0
9 15% ₹ 13,588 ₹ 7,306
12 15% ₹ 10,379 ₹ 9,556
18 15% ₹ 7,174 ₹ 14,135
24 15% ₹ 5,575 ₹ 18,822
Tenure Interest% Installment Interest
3 No Cost EMI ₹ 38,330 ₹ 0
6 No Cost EMI ₹ 19,165 ₹ 0
9 13.50% ₹ 13,506 ₹ 6,565
12 13.50% ₹ 10,298 ₹ 8,581
18 13.50% ₹ 7,093 ₹ 12,679
Tenure Interest% Installment Interest
3 No Cost EMI ₹ 38,330 ₹ 0
6 No Cost EMI ₹ 19,165 ₹ 0
9 13.99% ₹ 13,533 ₹ 6,807
12 13.99% ₹ 10,324 ₹ 8,899
18 14.99% ₹ 7,173 ₹ 14,126
24 14.99% ₹ 5,575 ₹ 18,808
Tenure Interest% Installment Interest
3 No Cost EMI ₹ 38,330 ₹ 0
6 No Cost EMI ₹ 19,165 ₹ 0
9 13% ₹ 13,479 ₹ 6,318
12 12% ₹ 10,217 ₹ 7,611
18 12% ₹ 7,012 ₹ 11,232
24 12% ₹ 5,413 ₹ 14,921
Tenure Interest% Installment Interest
3 No Cost EMI ₹ 38,330 ₹ 0
6 No Cost EMI ₹ 19,165 ₹ 0
9 14% ₹ 13,534 ₹ 6,811
12 14% ₹ 10,325 ₹ 8,905
18 15% ₹ 7,174 ₹ 14,135
24 15% ₹ 5,575 ₹ 18,822
Tenure Interest% Installment Interest
3 No Cost EMI ₹ 38,330 ₹ 0
6 No Cost EMI ₹ 19,165 ₹ 0
9 15% ₹ 13,588 ₹ 7,306
12 15% ₹ 10,379 ₹ 9,556
18 15% ₹ 7,174 ₹ 14,135
24 15% ₹ 5,575 ₹ 18,822
Tenure Interest% Installment Interest
3 No Cost EMI ₹ 38,330 ₹ 0
6 No Cost EMI ₹ 19,165 ₹ 0
9 14% ₹ 13,534 ₹ 6,811
12 14% ₹ 10,325 ₹ 8,905
Tenure Interest% Installment Interest
3 No Cost EMI ₹ 38,330 ₹ 0
6 No Cost EMI ₹ 19,165 ₹ 0
9 14% ₹ 13,534 ₹ 6,811
12 14% ₹ 10,325 ₹ 8,905
Tenure Interest% Installment Interest
3 No Cost EMI ₹ 38,330 ₹ 0
6 No Cost EMI ₹ 19,165 ₹ 0
9 14% ₹ 13,534 ₹ 6,811
12 14% ₹ 10,325 ₹ 8,905
18 15% ₹ 7,174 ₹ 14,135
24 15% ₹ 5,575 ₹ 18,822

Talk to a Guru

Speak to our Headphone Gurus

We usually call you within a few hours.


Chat with our Headphone Gurus

We're available on WhatsApp from Monday to Saturday (10.30am-6.30pm IST)

DELIVERY & SHIPPING
Ships in

24 Hours

BUY NOW, PAY LATER


Designed in
Japan

1 Year of
Warranty

Ideal for
Indoor Use

Connect With
3-Pin XLR & RCA

Ideal for Audiophiles

These Amps & DACs are designed for discerning music lovers. If you are someone who cares about audio quality deeply, you'll want a pair of Amps & DACs like these. You can expect these Amps & DACs to present you with a refined listening experience. The audio quality exhibited by these Amps & DACs is a beautiful mix of musicality, technical brilliance and high precision. These Amps & DACs deliver a spacious and open soundstage that compares listening to music on actual speakers.

Metal build

The longevity of your headphone/devices is strongly affected by its build quality, and a poorly built pair is more susceptible to breaking in a short amount of time. This is even more important for the listener who travels with their headphones/devices frequently, as wear and tear are more probable.Headphones/devices built with metal and metal components usually tend to last longer and can withstand wear and tear and potential damage. Modern processes allow all kinds of precious and durable metals to be used while making devices and offer a longer lifetime for users.

Volume Controls

If your Amps & DACs have volume controls, you will be able to adjust the volume level with a simple touch of a button without having to reach for your source device. Your music keeps playing without being interrupted or accidentally paused during playback. Having volume controls on Amps & DACs or at least in-line controls on the audio cable may seem unnecessary to some people, but they are, in fact, quite convenient.

EXQUISITELY ENGINEERED SRM-400S NEW DC AMPLIFIER WITH FET INSTALLED IN ALL STAGES

STAX introduces a new semiconductor driver unit SRM-400S, the successor model of SRM-353X. The solid-state amplifier, SRM-400S, exhibits remarkable versatility and excellence. Your appreciation will grow as you progress with your listening session. STAX introduces a new semiconductor driver unit SRM-400S embedded with STAX custom-made low noise DUAL FET installed on First Stage with a FET also installed on Last Stage. The characteristics of right FET and left FET are measured strictly. SRM-400S is an amplifier with FET installed in all stages. In addition to the conventional power transformer for the high voltage circuit, the newly designed power transformer with the winding for the low voltage circuit is installed in SRM-400S. The low voltage winding improves the power efficiency and achieves further power saving and better sound quality than the conventional driver units. The complete DC amplifier configuration of the signal circuit includes no coupling condensers.

Headphone-Zone-STAX-SRM-400S

EXPERIENCE HI-FIDELITY AND DISTORTION FREE AUDIO WITH THE STAX SRM-400S

SRM-400S amplifies the analog signal from the input with as little fuss and distortion as possible. SRM-400S is a promising new model with a renewed driver unit lineup with each range well harmonized from the low to high. SRM-400S does justice across the frequency spectrum with greater precision. It is a rock-solid performer that deserves the attention of anyone who’s looking for an electrostatic headphone amplifier capable of driving high-end earspeakers. Its sound is undistorted, sparkly, and exciting. SRM-400S has an impressively wide soundstage delivering full-range sound.

Headphone-Zone-STAX-SRM-400S
Headphone-Zone-STAX-SRM-400S
Headphone-Zone-STAX-SRM-400S

VISUAL GLORY WITH A SOLID BUILT CHASSIS, DUAL-VOLUME KNOB ALONG WITH RCA & XLR OUTPUTS

Experience full visual glory with the all-new chassis that is more rigid than the conventional models. The chassis has a hybrid structure using a lot of non-magnetic aluminum and further reduces the effect of the environmental noise factors such as vibrations. SRM-400S is embedded with a custom-made concentric dual volume knob and RCA parallel out functions. As for the aesthetics, you will find the understated elegance and simplicity of SRM-400S extremely attractive. The front and the back conform to the familiar Stax design architecture. Not needed to mention

Headphone-Zone-STAX-SRM-400S
Headphone-Zone-STAX-SRM-400S

IMPECCABLE SPECIFICATIONS FEATURING INPUT-OUTPUT CAPABILITIES

STAX SRM-400S is available in Black finish with a silver faceplate featuring improvements in the output stage, chassis design, power transformer, and overall performance. SRM-400S has a Frequency response of DC – 90kHz (with one SR-L500 MK2) and a Gain of 60dB with an Input impedance of 50kΩ. It has a maximum output voltage of 400v Rms (1kHz) with a Bias voltage of DC 580V and power consumption of 30W. SRM-400S comprises Input terminal RCA x 1, XLR x 1(mutual exclusion input), and an Output RCA parallel output terminal.

Headphone-Zone-STAX-SRM-400S

1 Year Warranty

Don't sweat it, this STAX - SRM-400S comes with a warranty from STAX that covers manufacturing defects. All products featured on Headphone Zone are backed by an original manufacturer's warranty.

Read more about STAX's warranty in India.

Customer Reviews

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UPCOMING EVENTS

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