Pioneer Coherent Source Transducer
Architectural Loudspeakers
For home theater or multi-room audio applications that demand an increasing
level of performance beyond that offered by pivoting driver designs, pioneer’s
Coherent Source transducer (CSt) line offers demonstrable sound performance
benefits previously only found in our professional and eX products. this series
provides a dynamic entertainment experience for those who seek affordable high-
end performance.
S-IW651-LR
S-IW851-LR
S-IC651-LR
S-IC851-LR
6.5 In-Ceiling
CST Speaker
8 In-Ceiling
CST Speaker
6.5 In-Wall CST Speaker
8 In-Wall CST Speaker
S-W301
S-W501
S-W601
8 Powered Subwoofer
10 Powered Subwoofer
12 Powered Subwoofer
150W Power Output*
170W Power Output*
180W Power Output*
(Speaker grille included)
(Speaker grille included)
(Speaker grille included)
›› Incorporation›of›Pioneer’s›newly designed CST driver technology inspired›by›our›
award-winning›professional›and›EX›Series›products.›Using›this›driver›technology,›
installation›professionals›will›benefit›from›a›wider›“sweet›spot”›and›more›uniform›
room›coverage›for›both›home›theater›and›background›listening›applications
Speaker FeatureS
›› Coherent Source Transducer (CST) Technology
›› 1.5” Aluminum Tweeter
›› The›two-way,›full-range›designs›are›outfitted›with›high›grade›materials›including›a›
Mica-filled IMPP woofer cone and›a›1.5” aluminum tweeter which›allow›the›speaker›
to›output›frequencies›up›to›40kHz›in›order›to›more›accurately›reproduce›the›next-
generation›lossless›audio›formats
›› Mica-Filled IMPP Woofer
›› Treble and Bass Contour Controls
›› Phase Control Design
›› Treble and bass contour controls allow›installation›professionals›to›customize›the›
listening›experience›for›their›customers›and›their›environment
›› Thermal Resetting Protection Circuit
›› 8 Ohm Impedance
›› With›internal›Thermal Resetting Protection Circuitry these›models›offer›greater›
reliability›and›reduce›the›need›for›return›visits›to›replace›damaged›speakers
›› 120 Watt Power Handling
›› A›dependable›8-Ohm impedance rating›helps›ensure›stable›loads›are›placed›on›
amplification›sources›in›single-›or›multi-zone›applications
Specifications and design subject to change without notice. All in-wall and
in-ceiling speakers sold in pairs. PIONEER, ELITE, and the Pioneer and Elite
logos are registered trademarks of Pioneer Corporation.
›› Fitted›to›match›its›premium›audio›and›video›products,›Pioneer›developed›the›
CST›speaker›line›to›bring›consumers›that›much›closer›to›the›ultimate›home›
entertainment›experience
*RMS measured @ 100 Hz.
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