The R4b bookshelf speaker offers high-end clarity and accuracy in a compact form. Its DPC array provides wide, even dispersion — ideal for desktop systems, bookshelf setups, or small theater surrounds.
Features
Compact Footprint: Designed for smaller spaces without sacrificing quality.
THX Select Certified: Clean output in rooms up to 2,000 cubic feet.
DPC Array: Maintains detail and imaging at all volumes.
Specifications
Enclosure alignment
3-way acoustic suspension
Driver compliment
DPC Array: 26mm(3) Silk dome Woofers: 165mm HPF diaphragm
Sensitivity
84.6dB / 2.83v / 1.0m
Impedance
4Ω nominal / 3.8Ω min
Response Linearity
80 - 20kHz +/-1.5dB window
Frequency Response (-10dB)
45 - 32kHz
Typical In Room bass extension
38Hz
Dimensions (HxWxD)
382 x 230 x 236mm 15.0 x 9.0 x 9.3"
Weight
9.5 kg (20.9 lbs.)
Recommended Amplifier Power
50 - 200W RMS
SPL capability @1m (100-20kHz)
107.6dB peak <3% - 2nd, 3rd Harmonics
Certification
THX Ultra
Available finishes
Piano black
Overview
The R4b bookshelf speaker offers high-end clarity and accuracy in a compact form. Its DPC array provides wide, even dispersion — ideal for desktop systems, bookshelf setups, or small theater surrounds.
Features
Compact Footprint: Designed for smaller spaces without sacrificing quality.
THX Select Certified: Clean output in rooms up to 2,000 cubic feet.
DPC Array: Maintains detail and imaging at all volumes.
Specifications
Enclosure alignment
3-way acoustic suspension
Driver compliment
DPC Array: 26mm(3) Silk dome Woofers: 165mm HPF diaphragm