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  3. ES300 vs Onyx Studio 9

Edifier ES300 vs Harman-Kardon Onyx Studio 9

What ES300 does better (3) and where Onyx Studio 9 wins (3) — every spec side by side.

Edifier ES300
Edifier · 2025ES300
3 advantages
vs
Harman-Kardon Onyx Studio 9
Harman-Kardon · 2025Onyx Studio 9
5.0Score
3 advantages≈ $160
Higher score
9.0Sound6.4

Why is ES300 better than Onyx Studio 9?

  1. Hi-res codec (LDAC / aptX HD / LHDC)Yes · Onyx Studio 9: No
  2. Highest frequency40,000 Hz vs 20,000 Hz2×
  3. LDACYes · Onyx Studio 9: No

Why is Onyx Studio 9 better than ES300?

  1. Output power45 W vs 50 W+11%
  2. Weight3,700 g vs 3,300 g+12%
  3. Lowest frequency56 Hz vs 50 Hz+12%
Specifications

Side by side

Sound
Output power45 W50 W
Speaker channels—Stereo
Lowest frequency56 Hz50 Hz
Highest frequency40,000 Hz20,000 Hz
Stereo—Yes
Battery & charging
Battery life—8 h
Battery capacity—4,722 mAh
Charging time—4 h
Power bank function—Yes
Mains powered—No
Battery powered (portable)—Yes
Connectivity
WirelessYesYes
Bluetooth version5.45.3
Bluetooth codecsLDAC, AAC, SBCSBC
Hi-res codec (LDAC / aptX HD / LHDC)YesNo
aptXNoNo
LDACYesNo
Auracast—Yes
USB-C—Yes
3.5 mm jack / AUXYesYes
Smart & streaming
Wi-FiYes—
AirPlayYes—
Design & build
Weight3,700 g3,300 g
Width—389 mm
Height—388 mm
Depth—130 mm
Colours—Black
Features
Hands-free calls—Yes
Party / stereo pairing—Yes
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