topping
TOPPING Pre900
TOPPING launches Pre900 fully balanced preamplifier
The new preamp targets balanced desktop and full-size systems where level control, source switching and system integration matter. Its feature set puts signal-path architecture and operational safety ahead of streaming or DAC functions.
Georg S. Kuklick
•

TOPPING has added the TOPPING Pre900 to its preamplifier line, positioning it as a fully balanced control unit for desktop and hi-fi systems. The launch gives the brand a dedicated analogue preamp for systems built around external sources, power amplifiers or active loudspeakers.
The Pre900 is centred on level control, source selection and system integration rather than digital conversion or streaming. TOPPING’s official store lists true fully balanced architecture, independent digital and analogue power supplies, relay volume control and a high-output analogue stage among the product’s main features.
Operational features include a safe-volume function for input switching and power-on use, front-panel control, remote operation and trigger support for linked components. The display can show playback information as well as visual meter modes, giving the unit a monitoring role in systems where the preamp remains visible on a desk or rack.
Key specifications
Device type | Fully balanced preamplifier |
|---|---|
Architecture | Quad-channel differential |
Volume control | Relay control, 1000 steps, 0.1 dB increments |
Inputs | 3 x XLR/TRS combo |
Outputs | XLR |
THD+N | 0.00005% at 1 kHz |
SNR | 151 dB |
Dynamic range | 151 dB |
Frequency response | 20 Hz–40 kHz (±0.05 dB); 20 Hz–100 kHz (±0.1 dB) |
Output level | 69 Vpp at G=L; 65 Vpp at G=M; 65 Vpp at G=H |
Gain | 0 dB, +10.4 dB, +19.9 dB |
Crosstalk | 150 dB |
Input impedance | 20 kOhm |
Output impedance | 100 Ohm |
Display | 2.0-inch colour display |
Functions | FFT, VU meter, safe volume, 12V trigger |
Power supply | Separate digital and analogue power sections |
The TOPPING Official Store lists the Pre900 as in stock, with shipping within 24-48 hours. Non-US orders are listed as shipping from China in 7-15 days.
Sources
- Stereocheck - TOPPING Pre900: Fully Balanced Preamplifier With 1000-Step Volume Control
- TOPPING - Pre900 - Topping audio
Key specifications
Sources
Data Source