Owner's Manual

18
Technical Specifications
Model
ST-2B
ST-4B
ST-5B
ST-1B
Type
2-Ch, Class AB
4-Ch, Class AB
5-Ch, Class AB
1-Ch, Class AB
Power (W)
Channel/RMS
2 x 65 (4Ω)
2 x 90 (2Ω)
180 (Br, 4Ω)
4 x 65 (4Ω)
4 x 90 (2Ω)
2 x 180 (Br, 4Ω)
4x70 + 1x250 (4Ω)
4x100 + 1x400 (2Ω)
2x180 (Br, 4Ω) + 1x400(2Ω)
200 (4Ω)
300 (2Ω)
THD
< 0.2%
< 0.2%
< 0.2%
< 0.2%
S/N
97dB
97dB
97dB
97dB
Frequency
Response
20Hz - 20KHz
20Hz - 20KHz
20Hz - 20KHz
20Hz - 20KHz
Continuous exposure to excessive sound pressure levels may cause permanent hearing loss. ZAPCO strongly
advises that you use common sense when setting volume levels. Everything written in this manual is for the
proper use of the products. Some features or specifications could be modified during production to improve the
product performance. The technical specifications and functionalities stated here are current as of the time of
publication. General instructions and safety warnings are intended in any case to be always effective for this type
of product. The latest manual with any updates is always available at www.zapco.com/download