Ultimax Audio

13/08/2026

+22dB Gain Booster Assembled: Warning ⚠️ Ye Board Tumhara Speaker Phad Dega!

22/06/2026

Testing video of Hybrid-X Amplifier soft starter

12/05/2026

DIY Hybrid Amplifier Soft Starter • Hybrid-X • Supports Upto 5KW Amplifiers

02/12/2025

DIY Ground Loop Breaker for Amplifiers

22/09/2025

Now Order Online Best Quality PCB+Assembly from Just $2 for 1-8 Layer PCBs, get JLCPCB $60 new user coupons https://jlcpcb.com/HAR Order Now.

14/08/2024

Ultimax Audio Wishes You Happy Independence Day 🇮🇳🫡

23/07/2024

New Video has been uploaded to our YouTube channel here below is the link, kindly Subscribe and share the video.
https://youtu.be/JOW-wJyrOgY

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Now Order Online Best Quality PCB+Assembly from Just $2 for 1-8 Layer PCBs, get JLCPCB $60 new user coupons https://jlcpcb.com/HAR Order Now.————————————————...

07/07/2024

In this video we have have reviewed our most popular & demanding Board (Soft Start Module For Amplifier), Inrush Current Limiters (ICLs) are components used to reduce the high start-up current that occurs when electrical devices are turned on. ICLs will help to prevent blown fuses, tripped circuit breakers, and damage to other electrical components.
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*To buy this board contact Ultimax Audio at:*
Whatsapp/Call: 7821921789 (Mr. Suraj Varma)
Time: 10 A.M To 6 P.M

OR

*To Buy this product from E-commerce:*
Amazon: https://amzn.to/3XN2S87

Flipkart: https://dl.flipkart.com/s/Pu8twPuuuN

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**NOTE: Ultimax Audio is registered, and Defaming the brand will lead to heavy penalty and punishable offence as per Law.**

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Find Ultimax Audio On:
Facebook • https://bit.ly/Ultimax-Facebook
Instagram • https://bit.ly/Ultimax-Instagram

Also

Join Ultimax Audio Sales/Discussion Group:
Facebook Group • https://bit.ly/ULX-FB
WhatsApp Group • https://bit.ly/Ultimax-Wagroup

Music by:
bensound.com (Summer)
License code: HSZJ50JKRGBMKC3N

22/06/2024

In this video we have reviewed a fantastic Headphone amplifier/DAC (SK02) sent by Fosi Audio, all details of this product have been given in the video.

Buy Fosi Audio SK02 now: https://amzn.to/4eN1FUr

T/S Parameters of Fosi Audio SK02

Input: USB/OPT
Output: 3.5mm Headphone,4.4mm Headphone,3.5MM line out/OPT
Amp output maximum power

3.5MM：
High Gain: 280mW@32Ω, 130mW@64Ω, 40mW@250Ω, 30mW@300Ω
Low Gain: 90mW@32Ω, 50mW@64Ω, 15mW@250Ω, 10mW@300Ω

4.4MM：
High Gain: 1100mW@32Ω, 550mW@64Ω, 150mW@250Ω, 120mW@300Ω
Low Gain: 350mW@32Ω, 180mW@64Ω, 50mW@250Ω, 40mW@300Ω
Frequency Range 20Hz-20kHz (±0.02dB)
THD ≤0.001% @ 1kHz
SNR 3.5mm Headphone:
Low Gain:116dB
High Gain:120dB

4.4mm Headphone:
Low Gain:110dB
High Gain:115dB
Headphone matching impedance 16-300Ω
PC-USB Sampling Rate 32Bit/384KHz DSD256
OPT Sampling Rate 24Bit/192KHz
DAC Chip ES9038Q2M
Device Dimension 4.76*2*1.69inch (121*51*43mm)
Net Weight 0.84lb/380g
Power Supply 5V, USB Type-C