Comparison
What We Will Do?
We will repair or replace any defec�ve parts, at our op�on, within a reasonable
amount of �me and free of charge any �me during the warranty period.
What We Ask From You?
You will be responsible for shipping charges to Fosi Audio or to an authorized dealer.
We recommend and you keep the original shipping materials to prevent shipping
damage if service is needed. Fosi Audio cannot be responsible for any damages
incurred during shipping due to poor packing, so please pack well and make sure to
insure your shipment.
20
Model
ZK-1002
3.3*2*
0.95
DC 5V-27V
Bluetooth 5.0
3.5mm AUX
No
100 wa� x2
2.0CH
ZK-1002L
2.0CH
100 wa� x2
No
Bluetooth 5.0
DC 5V-24V
2.68*2.05*
0.83
ZK-502C
2.0CH
50 wa� x2
No
Bluetooth 5.0
3.5mm AUX
DC 5V-27V
3.2*1.98*
0.72
ZK-502L
2.0CH
50 wa� x2
No
Bluetooth 5.0
DC 5V-24V
2.17*1.5*
0.72
ZK-502T
2.0CH
50 wa� x2
Yes
Bluetooth 5.0
3.5mm AUX
DC 9V-24V
3.94*3.94*
0.9
Channel
Max Output
Power Per
Channel
Bass and
Treble
Control
Input ways
Work Voltage
Size(inch)
ZK-1002T
2.0CH
100 wa� x2
Yes
Bluetooth 5.0
3.5mm AUX
DC 5V-24V
2.76*3.70*
0.83
ZK-TB21
2.1CH
50wa�×2+
100 wa� x2
Yes
Bluetooth 5.0
3.5mm AUX
DC 12V-24V
3.94*3.94*
0.9