Ultimax Audio

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.

19/08/2024

In this video we have reviewed 2.1 600 Watts Amplifier (BT30D PRO) by Fosi Audio.

Buy from here: https://amzn.to/3WSlW2p

Technical Specifications
Model BT30D PRO
Output Power 165W x2+350W@4Ω
Terminating Impedance 2-8Ω
Input Mode Bluetooth + RCA
Output Mode Passive Speakers/Subwoofer + AUX
Frequency Range 20Hz - 20kHz
THD ≤0.03%
SNR ≥108dB
Chip Set TPA3255
Bluetooth Transmission Distance Up to 50Ft
Bluetooth Name Fosi Audio BT30D PRO
Device Dimension 6 x 5 x 1 inches
DC Input Range 19-36V
Power Supply 32V 5A

What‘s in the box？
Item Quantity
Fosi Audio BT30D PRO Power Amplifier x 1
Bluetooth Antenna x 1
32V 5A Power Adapter x 1
AC Cord x 1
User’s Manual x 1

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

05/04/2024

New video is uploaded click below to watch
https://youtu.be/vtJU58576Qc?si=Zu0hN036MtDCFzU8

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.————————————————...

25/03/2024

Holiiii Haiiiii!!!

13/03/2024

New video is up Click to watch

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.————————————————...

02/03/2024

Celebrating the second anniversary of Ultimax Audio, a trailblazing brand in the realm of DIY audio, marks a significant milestone in its journey. Over the past two years, Ultimax Audio has become synonymous with innovation and quality in the audio enthusiast community. As part of the festivities, the brand proudly unveils a revamped logo, symbolizing its commitment to evolution and progress. This milestone not only signifies the brand's growth but also acknowledges the vibrant community that has embraced Ultimax Audio as a go-to choice for audio enthusiasts venturing into the DIY world. Here's to another year of pushing boundaries and delivering unparalleled audio experiences. Keep connected with Ultimax Audio & And be Ultimax Audio Your Ultimate DIY Audio Companion 😎.

15/01/2024

Video for the most awaited board is now uploaded click to watch now

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—————————————————-In this v...