







STAX - SRM-400S
Electrostatic Energiser For STAX HeadphonesGET 18% GST INPUT
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ICICI Bank
3
Low Cost EMI
₹ 30,803
₹ 2,409
₹ 1,942
6
Low Cost EMI
₹ 15,707
₹ 4,244
₹ 3,433
9
15.99%
₹ 10,678
₹ 6,102
12
15.99%
₹ 8,165
₹ 7,984
18
15.99%
₹ 5,657
₹ 11,820
24
15.99%
₹ 4,406
₹ 15,750
HDFC Bank
3
Low Cost EMI
₹ 30,803
₹ 2,411
₹ 1,942
6
Low Cost EMI
₹ 15,708
₹ 4,246
₹ 3,433
9
16%
₹ 10,678
₹ 6,106
12
16%
₹ 8,166
₹ 7,989
18
16%
₹ 5,657
₹ 11,827
24
16%
₹ 4,407
₹ 15,760
SBI Bank
3
Low Cost EMI
₹ 30,828
₹ 2,486
₹ 1,999
6
Low Cost EMI
₹ 15,663
₹ 3,978
₹ 3,204
9
15%
₹ 10,635
₹ 5,718
12
15%
₹ 8,123
₹ 7,479
18
16%
₹ 5,657
₹ 11,827
24
16%
₹ 4,407
₹ 15,760
Axis Bank
3
Low Cost EMI
₹ 30,803
₹ 2,411
₹ 1,942
6
Low Cost EMI
₹ 15,708
₹ 4,246
₹ 3,433
9
16%
₹ 10,678
₹ 6,106
12
16%
₹ 8,081
₹ 6,970
18
16%
₹ 5,657
₹ 11,827
24
16%
₹ 4,407
₹ 15,760
Other EMI Options through Credit Cards
Citi Bank
3
14%
₹ 30,702
₹ 2,108
6
14%
₹ 15,618
₹ 3,710
9
16%
₹ 10,678
₹ 6,106
12
16%
₹ 8,166
₹ 7,989
18
16%
₹ 5,657
₹ 11,827
24
16%
₹ 4,407
₹ 15,760
Kotak Mahindra Bank
Tenure
Interest%
Installment
Interest
3
16%
₹ 30,803
₹ 2,411
6
16%
₹ 15,708
₹ 4,246
9
16%
₹ 10,678
₹ 6,106
12
16%
₹ 8,166
₹ 7,989
18
16%
₹ 5,657
₹ 11,827
24
16%
₹ 4,407
₹ 15,760
RBL Bank
3
13%
₹ 30,652
₹ 1,957
6
14%
₹ 15,618
₹ 3,710
9
15%
₹ 10,635
₹ 5,718
12
15%
₹ 8,123
₹ 7,479
18
15%
₹ 5,615
₹ 11,063
24
15%
₹ 4,364
₹ 14,731
Standard Chartered Bank
3
13%
₹ 30,652
₹ 1,957
6
13%
₹ 15,574
₹ 3,443
9
14%
₹ 10,592
₹ 5,331
12
14%
₹ 8,081
₹ 6,970
INDUSIND Bank
3
14%
₹ 30,702
₹ 2,108
6
14%
₹ 15,618
₹ 3,710
9
15%
₹ 10,635
₹ 5,718
12
15%
₹ 8,123
₹ 7,479
18
15%
₹ 5,615
₹ 11,063
24
15%
₹ 4,364
₹ 14,731
HSBC Bank
3
12.50%
₹ 30,627
₹ 1,881
6
12.50%
₹ 15,551
₹ 3,310
9
13.50%
₹ 10,571
₹ 5,138
12
13.50%
₹ 8,060
₹ 6,716
18
13.50%
₹ 5,551
₹ 9,923
YES Bank
3
13%
₹ 30,652
₹ 1,957
6
13%
₹ 15,574
₹ 3,443
9
14%
₹ 10,592
₹ 5,331
12
14%
₹ 8,081
₹ 6,970
18
15%
₹ 5,615
₹ 11,063
24
15%
₹ 4,364
₹ 14,731
Bank of Baroda
3
13%
₹ 30,652
₹ 1,957
6
14%
₹ 15,618
₹ 3,710
9
14%
₹ 10,592
₹ 5,331
12
15%
₹ 8,123
₹ 7,479
18
15%
₹ 5,615
₹ 11,063
24
16%
₹ 4,407
₹ 15,760
American Express
3
14%
₹ 30,702
₹ 2,108
6
14%
₹ 15,618
₹ 3,710
9
14%
₹ 10,592
₹ 5,331
12
14%
₹ 8,081
₹ 6,970
18
15%
₹ 5,615
₹ 11,063
24
15%
₹ 4,364
₹ 14,731
Talk to a Headphone Guru
Packed and shipped within 24/48/72 hours
Your order leaves our warehouse within 24/48/72 hours - packed, handed to our courier, and on its way.
Orders placed before 2 PM on weekdays typically ship the same day.
This doesn't mean it arrives in 24/48/72 hours - delivery takes 3-4 working days depending on where you are.
Check the delivery date above for your estimate.
READ MORE ABOUT SHIPPING
Defective? Tell us within 7 days. We'll take care of it.
Something wrong with your product? We'll sort it out.
Wrong product, damaged, or missing parts: Let us know within 24 hours of delivery. If it's just an accessory, we'll replace the accessory.
What we'll need:
- Product in original packaging with all accessories
- Unboxing video and images of the parcel
This helps us see what went wrong and move faster.
Manufacturing defect: Let us know within 7 days of delivery. We'll replace or refund.
The process:
1. Raise a request - you'll get a RET number and hear from us by the next working day.
2. Once approved, we arrange pickup.
3. We inspect the product (2-3 working days).
4. Replacement shipped or store credit or refund issued.
A replacement or refund will be issued if:
- The product is found to be defective
- It wasn't damaged while in your possession-
- The same product is returned in original condition - box, MRP tag, manual, warranty card, all accessories
READ THE FULL REPLACEMENT POLICY
1 Year warranty included. You're covered.
This STAX - SRM-400S comes with a 1 Year manufacturer's warranty from STAX, covering manufacturing defects.
Every product on Headphone Zone is backed by an original manufacturer's warranty.
Need support? Start with us. We handle most brands' warranty claims directly, and for the rest, we'll help you connect with the brand.
Read about STAX's Warranty
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Earn: 1 point for every ₹1 spent.
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LEARN MORE ABOUT CLUB AUDIOPHILE

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.










Volume Knob
STAX SRM-400S embeds a volume knob that allows you to adjust volume seamlessly.
RCA Output
STAX SRM-400S features RCA output to connect with various audiophile-grade devices.
Control Button
STAX SRM-400S equips a control button to control the device easily.

Accessories to Get you Started
Accessories You Must Have
Don't Forget To Add This
All You Need To Know About The STAX SRM-400S
(Maximum Protruding Portion Included)
2. Power Cable
3. RCA Cable
4. Warranty Card
5. User's Manual
Don't sweat it, this
STAX - SRM-400S comes with a 1 Year 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.

Have a question? Get in touch!
Check out the most common questions our customers ask. Still have questions? Talk to our Headphone Gurus.

What is the warranty period on the STAX SRM-400S and how do I claim warranty?
What sort of device is the STAX SRM-400S?
What else do I get in the box?

Other Details
| Generic Name | Energiser |
| Importer Details | Importers Name: Ferrari Video Address: 63/18, 1st Main Road, Gandhi Nagar, Chennai - 600020 Contact No: 044-24420733 |
| Dimensions | 195 x 102 x 376 mm |
| Net Quantity | 1 |
| Manufacturer Details | Name: Edifier International Limited Address: Room 2101, 21st floor, The L. Plaza, 367-375 Queen's Road Central, Hong Kong |
| Package Contents | STAX SRM-400S, Power Cable RCA Cable Warranty Card User's Manual |
Manuals & Guides
User Manual | SRM-400S
Electrostatic Energiser For STAX Headphones
































































