Fosi Audio
Fosi Audio P3
- Hybrid Tube Preamp
- 5654W × 2 (Replaceable with 6J1, 6AK5, EF95)
- RCA, Bluetooth 5.1
- Bass/Treble Tone Controls, Reset Button for Tone Defeat
Topping
Topping Pre90
- Solid State / NFCA Modules
- Solid State
- XLR (Balanced), RCA
- Relay Volume Control, Remote Control, Optional Input Extender (Ext90)
Musician Audio
Musician Monoceros
- Class A Discrete
- Solid State
- 2 × XLR, 1 × RCA
- Remote Control
Aiyima
Aiyima T8
- 6N3 (Replaceable)
- Optical, USB, Coax, RCA, Bluetooth
- Remote Control, OLED Display
- Remote Control
Singxer
Singxer SA-1 V2
- Fully Balanced Discrete
- Solid State
- XLR, RCA
- Gain Switch (Low/High), Output Impedance Switch (Z)
Douk Audio
Douk Audio P1
- Jan5654W × 2
- RCA, Bluetooth 5.0, USB
- Tone Control Bypass, VU Meter (Screen based), AptX HD
Fosi Audio
Fosi Audio Box X4
- Phono Preamp (MM) + Tube Buffer
- Jan5654W × 2
- Phono (MM), Bluetooth 5.0
- Bass/Treble Controls, Ground Post
Fosi Audio
Fosi Audio SK01
- Solid State Op-Amp
- Solid State
- 3.5mm Line In
- Hardware Loudness Switch, 3-Band EQ, High/Low Gain
Fosi Audio
Fosi Audio Box X2
- Phono Preamp (MM) + Tube Buffer
- 6J2 × 2 (Replaceable with 5654W)
- Phono (MM) RCA
- Adjustable Gain Settings (39/42/45 dB)
Topping
Topping L70
- NFCA (Nested Feedback Composite Amplifier)
- Solid State
- XLR (Balanced), RCA
- Relay Volume Control, Remote Control, Ground Loop Switch
Douk Audio
Douk Audio T3 PLUS
- Phono Preamp (MM)
- 6A2 × 2
- Phono (MM) RCA
- Ground Post, Metal Chassis