Original: $261.89
-70%$261.89
$78.57The Story
FSA Class-D 20W Power Amplifier BIGJOE2
Amplifier type
Class-D digital power amplifier efficient design with low heat and low power consumption.
Power output
~20 W per channel at 4 Ω (also ~20 W into 8 Ω) suitable for driving small passive speakers in compact stereo systems.
Line-level input
Single RCA line input for audio source connection.
Line output
Stereo RJ45 line outputs (often used to route to speaker terminals in compact modules).
Protection
Built-in safeguards against short circuits, over-current, over/under voltage and temperature conditions.
Specifications:
Amplifier Class: Class-D digital switching amplifier
Output Power:
- 20 W per channel @ 4 Ω (0.3 % THD)
- 20 W per channel @ 8 Ω (10 % THD)
Amplifier Structure: Coupling capacitor and Class-D topology with soft-start single-supply power design.
Protection circuits:
- Output short-circuit protection
- Over-current protection
- Over/under-voltage protection
- Temperature shutdown
Line input: Single RCA jack for left/right line-level audio.
Line output: Two RJ45 jacks (stereo)

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
FSA Class-D 20W Power Amplifier BIGJOE2
Amplifier type
Class-D digital power amplifier efficient design with low heat and low power consumption.
Power output
~20 W per channel at 4 Ω (also ~20 W into 8 Ω) suitable for driving small passive speakers in compact stereo systems.
Line-level input
Single RCA line input for audio source connection.
Line output
Stereo RJ45 line outputs (often used to route to speaker terminals in compact modules).
Protection
Built-in safeguards against short circuits, over-current, over/under voltage and temperature conditions.
Specifications:
Amplifier Class: Class-D digital switching amplifier
Output Power:
- 20 W per channel @ 4 Ω (0.3 % THD)
- 20 W per channel @ 8 Ω (10 % THD)
Amplifier Structure: Coupling capacitor and Class-D topology with soft-start single-supply power design.
Protection circuits:
- Output short-circuit protection
- Over-current protection
- Over/under-voltage protection
- Temperature shutdown
Line input: Single RCA jack for left/right line-level audio.
Line output: Two RJ45 jacks (stereo)




















