Package Contents
Fosi Audio BT20A Amplifier*1
AC Power Cord*1
24V Power Supply*1
Bluetooth Antenna*1
Instruction Manual*1
Quick Setup
Preparation
Prepare 1:
BT20A, 24V power supply, passive speakers, speaker
wires or banana plugs;
Prepare 2:
Connect the BT20A to the passive speakers via the
speaker wire or banana plugs;
Prepare 3:
Connect the 24V power supply to the DC input;
Prepare 4:
Toggle the power switch on the front panel upwards to
turn on the BT20A amplifier.
Note:
Be sure that the volume/power switch is in the OFF position
before connecting the power supply.
How to connect the speaker wire?
Method 1: Bare wire connection illustration
: Release the horn terminals block terminals;
: Insert the two ends of the speaker wire into the
amplifier and speaker terminal holes;
: Tighten the horn terminals;
Note:
Please avoid the speaker wires being exposed and touching
the amplifier casing, as this may cause a short circuit fault.
Method 2: Banana plugs connection illustration
: Release the banana jacket;
: Loosen the screw;
: Insertion speaker wire and tighten the screw;
: Tighten the banana jacket;
: Insert the banana plug into the horn terminals of the
speaker and amplifier.
Note:
Please take care to avoid contact between the two banana
plugs and causing a short circuit fault as some of the
banana plugs are metal cased.
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Bluetooth for example
Prepare your Bluetooth device (take a phone as an example)
Step 1:
Install the Bluetooth antenna to the BT20A.
Step 2:
Turn on the Bluetooth on your phone and search.
“ Fosi Audio”or “Fosi Audio BT20A”, after connecting to
BT20A, the indicator light shows blue light.
Step 3:
Open the audio application, play and enjoy!
Release Jacket
Loosen Screw
Insertion speaker wire
tighten screw
Tighten Jacket
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banana plug into
the horn terminals
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