Specifications
© 2022 Harman International | Features, specifications, and appearance subject to change without notice. 
Rev 1.3 | 20220718 
In-Ceiling (Standard) 
Specifications 
Stage 260C 
Stage 280C 
High Frequency Transducer 
1" (25mm) Aluminum dome with Acoustic Lens 
1" (25mm) Aluminum dome with Acoustic Lens 
Low Frequency Transducer 
6.5" (165mm) Polycellulose cone woofer 
8" (200mm) Polycellulose cone woofer 
Recommended Amplifier Power 
20-100W RMS 
20-120W RMS 
Frequency Response 
50Hz-25kHz (-6dB on-axis) 
42Hz-25kHz (-6dB on-axis) 
Sensitivity (2.83V@1m) 
87dB 
90dB 
Nominal Impedance 
8ohm 
8ohm 
Crossover Frequency 
3000Hz 
3400Hz 
Inputs 
Nickel-plated spring-loaded connectors 
Nickel-plated spring-loaded connectors 
Grille Dimensions 
Dia: 9.4in (239mm) 
Dia: 11in (280mm) 
Cutout Dimensions 
Dia: 8in (203mm) 
Dia: 9.6in (244mm) 
Mounting Depth 
4in (101mm) 
4.4in (113mm) 
Product Weight (Kg) 
1.9Kg 
2.2Kg 
Shipping Carton Dimensions 
L: 11in (280mm) x W: 11in (280mm) x H: 
5.4in (136mm) 
L: 12.7in (322mm) x W: 12.7in (322mm) x 
H: 5.6in (142mm) 
Shipping Carton Weight 
5.6lbs (2.54Kg) 
6.97lbs (3.16Kg) 










