Comparison Chart

Model Number
P1
SE2
BT 5.0
BOX X1
Q5
BR10C
T20
P2
Type
Preamp
DAC+Preamp
+Headphone
Amp
Bluetooth
Receiver
+Preamp
Phono
Preamp
DAC
+ Preamp
Bluetooth
Receiver
+Preamp
Power Amplifier
+ Preamp
Headphone
Amp
+Preamp
With Volume
Control
YES
YES
NO
YES
YES
YES
YES
YES
Output Type
RCA
3.5 mm
3.5 mm
RCA
RCA
RCA
3.5 mm
3.5 mm
Bass and
Treble Control
YES
NO
NO
NO
NO
NO
YES
NO
Input Ways
AUX
USB
Bluetooth
AUX
USB/OPT
/COA
Bluetooth
Bluetooth+AUX
AUX
DC Input
12 V
5 V
5 V
12 V
12 V
5 V
24 V
12 V
Additional
Features
Tube
Preamp
DAC Preamp
DAC
Bluetooth
Preamp
Phono
Preamp
DAC
Preamp
DAC Bluetooth
Preamp
Tube Preamp/
Power Amp
Tube
Headphone
Amp/ Preamp
Fosi Auido Pre-amplifier Comparison
P1 SE2 BT 5.0 BOX X1 Q5 BR10C T20 P2