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  3. Phantom Ultimate 98 dB vs xboom Rock

Devialet Phantom Ultimate 98 dB vs LG xboom Rock

What Phantom Ultimate 98 dB does better (1) and where xboom Rock wins (2) — every spec side by side.

Devialet Phantom Ultimate 98 dB
Devialet · 2025Phantom Ultimate 98 dB
1 advantage≈ $1,600
vs
LG xboom Rock
LG · 2026xboom Rock
5.9Score
2 advantages
Higher score
6.7Connectivity9.4

Why is Phantom Ultimate 98 dB better than xboom Rock?

  1. Output power400 W vs 6 W66.7×

Why is xboom Rock better than Phantom Ultimate 98 dB?

  1. Weight4,300 g vs 280 g15.4×
  2. Bluetooth version5.2 vs 5.4+4%
Specifications

Side by side

Sound
Output power400 W6 W
Lowest frequency18 Hz—
Highest frequency25,000 Hz—
Battery & charging
Battery life—10 h
Charging time—3 h
Mains poweredYesNo
Battery powered (portable)NoYes
Connectivity
WirelessYesYes
Bluetooth version5.25.4
Bluetooth codecs—AAC, SBC
Hi-res codec (LDAC / aptX HD / LHDC)—No
aptX—No
LDAC—No
Multipoint (two devices)—Yes
Auracast—Yes
USB-C—Yes
Smart & streaming
Wi-FiYes—
AirPlayYes—
Chromecast / Google CastYes—
Spotify ConnectYes—
MultiroomYes—
Voice assistant—Google Assistant, Siri
Voice assistant built in—Yes
Companion app—Yes
Design & build
Weight4,300 g280 g
Width157 mm—
Height168 mm—
Depth219 mm—
Protection rating—IP67
Water resistance (IPx)—IPx7
Dust protection (IP)—6
Colours—Black
Features
Party / stereo pairing—Yes
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