Page 22 User Guide English
Additional Resources pro.Bose.com
Technical Specifications
Audio Inputs ESP-880 ESP-1240 ESP-4120
Input Channels 8 analog (balanced, mic/line level), 16 digital
(via option card)
12 analog (balanced, mic/line level), 16 digital
(via optional card)
4 analog (balanced, mic/line level), 16 digital
(via optional card)
Connectors, Input 3.81 mm Phoenix Contact
®
, 6-pin 3.81 mm Phoenix Contact
®
, 6-pin 3.81 mm Phoenix Contact
®
, 6-pin
Input Impedance 12 kΩΩ @ 1 kHz
(with or without phantom power active)
12 k Ω Ω@ 1 kHz
(with or without phantom power active)
12 k Ω @ 1 kHz
(with or without phantom power active)
Maximum Input Level +24 dBu +24 dBu +24 dBu
Equivalent Input Noise -118 dB at 48 dB gain setting -118 dB at 48 dB gain setting -118 dB at 48 dB gain setting
Phantom Power +48 VDC, 10 mA, selectable per input +48 VDC, 10 mA, selectable per input +48 VDC, 10 mA, selectable per input
Gain settings 0/14/24/32/48/54/64 dB 0/14/24/32/48/54/64 dB 0/14/24/32/48/54/64 dB
Audio Outputs
Output Channels 8 analog (balanced, line level), 8 ESPLink,
16 digital (via option card)
4 analog (balanced, line level), 8 ESPLink,
16 digital (via optional card)
12 analog (balanced, line level), 8 ESPLink,
16 digital (via optional card)
Connectors 3.81 mm Phoenix Contact
®
, 6-pin (analog),
EIAJ optical (ESPLink)
3.81 mm Phoenix Contact
®
, 6-pin (analog),
EIAJ optical (ESPLink)
3.81 mm Phoenix Contact
®
, 6-pin (analog),
EIAJ optical (ESPLink)
Output Impedance 200 Ω 200 Ω 200 Ω
Maximum Output Level +24 dBu +24 dBu +24 dBu