24bit 192khz Audio Interface:Capture high-fidelity audio with the 24bit 192khz audio interface, ensuring pristine sound quality for studio recordings.
Guitar Audio Interface:Designed for guitarists, this interface provides a dedicated HI-Z button for high impedance instrument input.
Loopback Audio Interface:The Loopback function allows for direct monitoring, enhancing your recording workflow with ease.
External USB Sound Card:Effortlessly connect to your computer or mobile device with the versatile External USB Sound Card.
48V Phantom Power:Supports 48V condenser mics with its built-in 48V phantom power, ensuring professional-grade recording.
Spanish Customers:
PARA NUESTRO ALMACÉN DE ESPAÑA, CÓDIGO POSTAL ESPAÑOL DESDE35,38,51,52,ISLAS SIN SERVICIO.NO PODEMOS ENVIAR EL PAQUETE, TENGA EN CUENTA, ¡GRACIA
FREEBOSS UC22 Sound Card
24bit 192khz usb external audio interface with 48V loopback stereo monitor function, support ASIO4ALL, suit for guitar, recording, studio, ect.
Selling Points:
1. 24bit 192khz.
2. Supports high impedance instrument input.
3. Support ASIO4ALL.
4. Loopback function.
5. Stereo/Mono switch function.
6. Direct monitoring function.
7. 48V phantom power.
Packing List:
1. Sound Card----1pc
2. Usb Cable----1pc
3. English Manual----1pc
Please Note:
More details at the end.



1/L & 2/R Channel Input.
They are a combination socket, consisting of XLR and 1/4" jack. It is suitable for dynamic mic, 48V condenser mic, guitar, ect.
HI-Z Button
1. When using high impedance instruments input, please press down the button.
2. This button only for channel 1.
LOW CUT Button
1. Press the button, it will cut off low frequency signals below 100Hz.
2. This button only for channel 2.
GAIN Knob (1/L & 2/R)
1. They are a volume knob of channel.
2. 1/L knob controls the 1/L channel volume, 2/R knob controls the 2/R channel volume.
PEAK Light
1. Light is off, signal is normal.
2. Light is on, signal is distortion.
LOOPBACK Button
1. This button only used for computer recording.
2. Press status:
(1) Channel 1 signal will record to L&R.
(2) Channel 2 signal will record to L&R.
(3) PC signal will record to L/R.
3. Up status:
(1) Channel 1 signal will record to L.
(2) Channel 2 signal will record to R.
(3) PC signal will not be recorded.
DIR Button
1. Press status: channel signal can output to headphone, main output and computer.
2. Up status: channel signal cannot output to headphone and main output, but it can output to computer.
ST Button
1. This button only for headphone and main output, not for recording.
2. Up status: it is mono mode, channel 1 signal will output to L&R, channel 2 signal will output to L&R.
3. Press status: it is stereo mode, channel 1 signal will output to L, channel 2 signal will output to R.
Headphone Jack
1. It is a TRS jack.
2. The volume is controlled individually by the headphone volume knob.
48V Switch
1. 48V only for XLR jack, not for 1/4" jack.
2. When 48V is on, the 48V light will on. otherwise the 48V light is off.
USB Port
It is suitable for computer and mobile phone, built-in 24bit 192khz sampling parameters for computer recording. When connected to a mobile phone, the sound card requires additional power supply.
USB Power Port
This port only for power supply, it is a type-C port.
Main Output Jack
It is a 1/4" TS jack.