How we scoreBlogAdvertise
Amidioheadphones · speakers · earbuds
  1. Amidio
  2. Compare
  3. L/R X vs PARTYBOX 520

Cambridge Audio L/R X vs JBL PARTYBOX 520

What L/R X does better (2) and where PARTYBOX 520 wins (0) — every spec side by side.

Cambridge Audio L/R X
Cambridge Audio · 2026L/R X
8.4Score
2 advantages≈ $2,150
Higher score
vs
JBL PARTYBOX 520
JBL · 2025PARTYBOX 520
0 advantages≈ $800
Dimensions

Size comparison

L/R XPARTYBOX 520
200 × 330260415 × 769369
L/R XPARTYBOX 520Difference
Height330 mm769 mm−439 mm
Width200 mm415 mm−215 mm
Depth260 mm369 mm−109 mm

Drawn to the same scale from the official dimensions (front and side).

Why is L/R X better than PARTYBOX 520?

  1. Highest frequency24,000 Hz vs 20,000 Hz+20%
  2. Lowest frequency35 Hz vs 40 Hz+14%

Why is PARTYBOX 520 better than L/R X?

PARTYBOX 520 has no measurable advantages in this pair.

Specifications

Side by side

Sound
Output power400 W400 W
Lowest frequency35 Hz40 Hz
Highest frequency24,000 Hz20,000 Hz
Adjustable equaliserYes—
Battery & charging
Battery life—15 h
Mains poweredYesYes
Battery powered (portable)NoYes
Connectivity
WirelessYesYes
Bluetooth version—5.4
Bluetooth codecsAAC, SBC—
Hi-res codec (LDAC / aptX HD / LHDC)No—
aptXNo—
LDACNo—
USB-CYes—
USB audio—Yes
3.5 mm jack / AUXYesYes
HDMI eARC / ARCYes—
Optical inputYes—
Smart & streaming
AirPlayYes—
Chromecast / Google CastYes—
Spotify ConnectYes—
MultiroomYes—
Design & build
Width200 mm415 mm
Height330 mm769 mm
Depth260 mm369 mm
Protection rating—IPX4
Water resistance (IPx)—IPx4
Features
Party / stereo pairing—Yes
Light effects—Yes
Remote controlYes—
To compare: 0up to 4 models
Compare