CAROL BTM-211R Manual

Thank you for selecting BTM-211R Bluetooth Amplifier. It is recommended to read this
manual carefully before using to make optimum use of your equipment.
BTM-211R Bluetooth Amplifier, based on the concept of designing for modern lifestyle
with new design, elegant shape and fine texture, is suitable personal usage, school, company,
organization...etc, or other events that require integrated amplifier equipment with Bluetooth
amplifier system.
BTM-211R Bluetooth Amplifier can be connected with microphone, external sound source,
and Bluetooth wireless receiver inputs, and then integrated the sounds to class-D amplifier for
output. It also inbuilt with Tone adjustment functions for users to adjust Treble and Bass
according to their requirement. Moreover, BTM-211R can be used with our BTM Bluetooth
Module Series.

1. BTM-211R Product Contents:

1.1 BTM-211R Bluetooth Amplifier × l
1.2 International Voltage DC 20V Power Adapter × l
1.3 User's Manua1 × l
2. Parts Identification:（as shown in Figure 2.1, 2.2）
(1) Power Button: Switches on/off the amplifier, with status LED.
(2) Bluetooth Connecting LED: Lights up when Bluetooth signal is received
(3) Bluetooth Pair Button: Turns on/off Bluetooth function and pairing.
(4) Bluetooth Volume Controller: Controls the output volume of Bluetooth sound source.
(5) Treble Controller: Adjust the Treble to boost or attenuation.
(6) Bass Controller: Adjust the Bass to boost or attenuation.
(7) Microphone Volume Controller: Controls the microphone output volume.
(8) ø 6.3mm Female Jack: For connecting the microphone (Dynamic microphone only)。
(9) AUX Volume Controller: Controls the output volume of the external sound source.
(10) Ø 3.5mm Female Jack: For connecting the external sound source.
(11) Speaker Connector: For connecting the external speaker (4Ω~8Ω).
(12) DC Power Receptacle: Connects DC adapter, and the polarity of the central pole is
positive.
BTM-211R Bluetooth Amplifier Power Adapter