USB Record Function:Effortlessly record and playback audio via USB, compatible with a range of file formats.
99 DSP Effects:Unleash creativity with 99 DSP effects, perfect for enhancing your audio productions.
Freeboss Ag As04b|Freeboss Mixer|Bluetooth Function:Seamless wireless audio streaming with Bluetooth for live broadcasts and podcasts.
High-Quality Recording:Capture pristine audio with 24Bit 192KHz stereo record, ideal for studio-grade productions.
+48V Phantom Power:Supports dynamic and condenser mics with +48V phantom power, ensuring versatile vocal recording.
Spanish Customers:
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AG-AS04B
Freeboss AG-AS04B 24Bit 99DSP Effects 192KHz Sampling Frequency Bluetooth Mini Audio Mixer with USB Record and 48V Phantom Power

1. Bluetooth function
2. stereo/ mono recording
3. 99 DSP effect
4. HI-Z button for guitar
5. USB/PC play and record
6. 3.5mm condenser microphone input

This mixer can receive the signal from Mobile or other products via bluetooth.

2. Sound Card, Computer playback function, Mobile Broadcast Function
Built-in 192KHz sampling frequency design, we can connect mixer to computer to record with high quality
(Please note: you need have record program)


there is one piece Type A---Type C plug adapter for you to connect to mobile. if the adapter is not suit for you, you need buy the adapter by yourself

When You connect guitar to mixer without DI box, press the button, you will get a good effect.

When you press the "+48V"button, there will be a +48V phantom power for you Mic input.

Connect to dynamic microphone
If your microphone is dynamic, please do not power on +48V phantom power

Connect to +48V condenser microphone
If your microphone supports +48V, please power on +48V phantom power.

1.5-9V condenser microphone
if your condenser microphone does not support +48V phantom power, please plug in the socket of the bottem.

There is 99 effects, you can choose the effects you like.
1. Press to choose "FX" status (Bounced up)
2. Rotate to choose the effect.

1. USB stick format: FAT32
2. Play format: FLAC, MPE, WAV, WMA,
3. Record Sampling frequency: 48KHz
4. Record format: MP3
Please note:
If USB stick is too big, there will no enough space. Please choose small size USB stick.

Press down the "PAN" button, CH1 will be left channel, CH2 will be right channel, now you can record stereo music.

1). Function Display
A.USB stick play:
a) Loop Playback
b) Random
c) Single Cycle
B. Bluetooth
C. Record
2). Display the running status or bluetooth connection status
3). Song time display
4). Song number display
5). Effect types
(Please refer to the list of effects)



1. audio mixer 1 pc
2. Power adapter 1 pc
3. USB Cable
1) Type A---Type C 1 pc
2) Type A---Type B 1 pc
4. Plug adapter (Type A- Type C) 1 pc

Product size

Product pictures

