3.5mm To Phone output is not giving mixed output, it is just giving plain raw vocals, without any effects applied, what could be wrong?

you may not have switched the "FX switch" on in the particular channel. the switch can be found below the 3 control knobs (low, mid, high) and above the channel volume port

Is this useful for just talking in podcast .without music

You can give the background music from your phone or laptop by connecting it with the mixer through bluetooth.

is it record karaoke track in open camera

Open camera app will enable the external mic detection and you can record both the music and your vocals.

What is the rec (rca red and white) slots for. Can we use that for mixer output?

You can use that for mixer output via RCA

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Xtreme Acoustics XAMXB4 | 4-Channel Professional Audio Mixer with Bluetooth, USB, EQ Controls & Phantom Power | Compact Mixer for Podcasting, Streaming.

Xtreme Acoustics XAMXB4 | 4-Channel Professional Audio Mixer with Bluetooth, USB, EQ Controls & Phantom Power | Compact Mixer for Podcasting, Streaming.

Product ID: 363375691

Details

Brand
Xtreme
Connectivity Technology
Bluetooth USB
Item Weight
980 Grams
Number of Channels
4
Product Dimensions
22.5D x 23.4W

⚡48V phantom power for condenser mics

🔊4-channel pro mixing

🔗Bluetooth & USB connectivity

Description

🎙️ Elevate your live stream with pro sound, anytime, anywhere!

COMPACT POWERHOUSE - Lightweight design powered by USB, power bank, or AC adapter—stream anywhere.
BUILT IN ECHO EFFECTS - Customize your sound with dedicated delay and repeat controls per channel.
PRO GRADE PHANTOM POWER - 48V support on Channel 1 for crystal-clear condenser mic input.
WIRELESS WIRED FREEDOM - Stream background music via Bluetooth or USB for ultimate versatility.
SEAMLESS 4 CHANNEL MIXING - Mix multiple audio sources live with precision and clarity.

The Xtreme Acoustics XAMXB4 is a compact 4-channel professional audio mixer designed for live streaming, podcasting, and performances. Featuring Bluetooth and USB connectivity, 48V phantom power for condenser microphones, and dedicated EQ and echo controls, it delivers studio-quality sound in a portable form factor. Powered via USB or AC adapter, it supports seamless integration with mobile devices and PCs, making it ideal for content creators seeking versatile, high-fidelity audio mixing on the go.

Specifications

ASIN	B09GBFNC7H
Audio Input	USB
Best Sellers Rank	#5,237 in Musical Instruments ( See Top 100 in Musical Instruments ) #35 in DJ Mixer
Brand	Xtreme Acoustics
Brand Name	Xtreme Acoustics
Connectivity Technology	Bluetooth, USB
Customer Reviews	3.7 out of 5 stars 965 Reviews
Frequency	20 KHz
Importer Contact Information	Cresurge Private Limited No. 2, 3rd Floor, Manandi Plaza, St. Marks Rd, Shanthala Nagar, Ashok Nagar, Bengaluru-560001
Item Dimensions D x W x H	22.5D x 23.4W x 11H Centimeters
Item Type Name	Audio mixer
Item Weight	980 Grams
Manufacturer	Cresurge Private Limited No. 2, 3rd Floor, Manandi Plaza, St. Marks Rd, Shanthala Nagar, Ashok Nagar, Bengaluru-560001, Xtreme Acoustics
Manufacturer Contact Information	Cresurge Private Limited No. 2, 3rd Floor, Manandi Plaza, St. Marks Rd, Shanthala Nagar, Ashok Nagar, Bengaluru-560001
Manufacturer Part Number	B4 Audio Mixer
Model Number	B4 Audio Mixer
Noise Level	80 Decibels
Number Of Channels	4
Number of Channels	4
Output Connector Type	6.35 Jack
Packer Contact Information	Cresurge Private Limited No. 2, 3rd Floor, Manandi Plaza, St. Marks Rd, Shanthala Nagar, Ashok Nagar, Bengaluru-560001
Power Source	Corded Electric
Power Source Type	Corded Electric
Product Dimensions	22.5D x 23.4W x 11H Centimeters
Unit Count	1 Count
Warranty Description	3 months manufacturing warranty

Reviews

T**M

17.03.2023

W**W

24.12.2025

N**.

8.09.2024

S**U

6.01.2026

J**.

20.04.2023

S**H

23.04.2025

M**L

13.12.2025

P**L

28.11.2025

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