Compare Sonos Sub vs Amphion FlexBase25 vs Sonus faber Gravis II
Variants
Amp
Walnut
Piano Black
White Matte
Connectivity
Ports
1x 100Mbps LAN
LFE (Low Frequency Effect) mono RCA + LINE mono RCA + HIGH LEVEL Neutrik 4-pole Speakon
Wireless Connectivity
WiFi 5
Construction
Colors
Black or Whtie with gloss finish
Wood, White, Black, Wenge
Drivers | Subwoofer
2x force-canceling drivers
10" (25cm) aluminium
1x 260 mm (10”) long throw, treated paper cone down-firing driver + 1 x 260 mm (10”) front-firing aluminum alloy diaphragm passive infra-bass radiator
Form Factor
Wireless subwoofer
Subwoofer
Loudspeaker Type
Base reflex
1-way closed, stereo
Drone cone phase-inverter loading, active subwoofer with Class AB amplifier
Dimensions
Size | Depth
6.2" / 158 mm
342 mm
16 in (408 mm)
Size | Height
15.3" / 389 mm
840 mm
15.9 in (404 mm)
Size | Width
15.8" / 402 mm
321 mm
14 in (356 mm)
Weight
36.3 lbs / 16 kg
45 kg (99 lbs)
47.3 lbs (21.5 kg)
Function
Amplifier
2x Class-D digital amplifiers
High linearity Class AB
Crossover
35 - 260 Hz Variable
Continuously adjustable 30 to 120 Hz
Operating Temperature
32°F to 104°F / 0°C to 40°C
Processor
Quad Core 1.5 GHz
Performance
Frequency Response
Down to 25Hz
20-260Hz (low pass) / 35-260Hz (high pass)
- 6dB, from 25 Hz to Fc (user adjustable)
Impedance
25k ohms
Memory | Capacity
256 MB
Memory | Type
SDRAM
Output Impedance
100 ohms
Power Consumption
450 W (rated), 0.5 W (stand-by)
Power Output
600W RMS into 4 ohms @ 1% THD
350 W (nominal), 700 W (peak)
Storage
256 MB
Production
Debut
2020
Made In
Finland (handmade)
Italy (handmade)
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