Compare Wharfedale EVO4.S vs DALI Callisto 6C vs Bang & Olufsen Beolab 28
Variants
White
Black
Wall-Mount
Floorstanding
Connectivity
Ports
ADC-in (RCA)
1x Aux / Optical-combo + 2x RJ45 (100Mbps) + 1x USB-C + 1x Powerlink (RJ45)
Wireless Connectivity
5725-5875 MHz, Full 24 Bit / 96 kHz
Bluetooth 5.0 + WiFi 5
Construction
Colors
Black Ash or White
Base: Silver, Black Anthracite, or Bronze aluminum / External Cover: Light Oak, Smoked Oak, or Walnut wood / Grey Fabric or Grey Melange fabric / Internal Cover: Grey or Grey Melange fabric
Drivers | Midrange
2x 2"(50mm) soft dome
1x 17x45mm Ribbon
3x 3" full-range
Drivers | Tweeter
2x 30x60mm AMT
1x 29mm Soft Textile Dome
1x 1" tweeter
Drivers | Woofer
2x 6.5"(165mm) black woven Kevlar cone
2x 6.5" Wood Fibre Cone
1x 6.5" woofers
Form Factor
Wall-mount surround loudspeaker
Wireless floorstanding loudspeaker
All-in-one wireless speaker, powered speaker
Loudspeaker Type
3-way, closed
2-way bass reflex
3-way bass reflex
Material
Aluminum + Wood + Plastic + Fabric
Microphone
Yes
Dimensions
Size | Depth
145+ 10 mm
346 mm
Size | Diameter
121 mm
Size | Height
245 mm
1,004 mm
Size | Width
400 mm
200 mm
Weight
11.8 kg
22.6 kg
18.6 kg
Function
Amplifier
Discrete Class D
Class D, 1x 100W for tweeter + 3x 100W for full-range + 1x 225W for woofer
Audio
Active Room Compensation, Adaptive Bass Linearization, Beam Width Control, Thermal Protection
Crossover
1.5kHz, 4.4kHz
2.6kHz (6C) Hybrid Active 24 bit DSP and Passive analogue
DAC
Burr Brown PCM1796 w/ balanced output
Service
AirPlay 2, Chromecast built-in, Spotify Connect, Bang & Olufsen Radio
Performance
Frequency Response
70Hz - 22kHz
37 - 30,000 Hz
27 Hz ~ 23 kHz
Impedance
8 ohms (min 3.9 ohms)
5k ohms
Max Sound Level
106 dB
110 dB
110 dB SPL
Power Consumption
325 W
30 W
Power Input
25-120W
Power Output
250 W
625 W (100W tweeter + 300W full-range + 255W woofer)
Sensitivity
88dB
Production
Debut
2019-10
2017-08-10 (IFA)
2021
Made In
China
Denmark
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