Topping Pre90 Preamplifier and Ext90 Input Extender

• Topping
• THD+N: <0.00007% (1 kHz)
• THD: <0.00035 (20 Hz – 20kHz, 90 kbw), changes to THD: <0.0003 (20 Hz – 20kHz, 90 kbw)  
• SINAD: 124 dB (1 kHz)
• SNR: Up to 145 dB
• Dynamic range: Up to 145 dB
• Frequency response: Up to 20 Hz –100 kHz
• Output impedance: 20 – 40 ohms
• Output level: 25 – 50 Vpp
• Crosstalk: -130 – -140 dB
• Volume range: Up to +16 dB
• Inputs (Pre90): XLR and RCA
• Inputs (Ext90): (6) XLR, RCA
• Outputs (Pre90): XLR and RCA
• Dimensions: 8.7 x 6.3 x 1.8 in (22.2 x 16 x 4.5 cm)

Pre90

• Remote control
• AC cable
• Owner’s manual

Ext90

• Aviation connector cable
• Owner’s manual