Sony MDR-EX155APUK MDREX155APB.AE · Black- Manufacturer connection declarations
- PLUG (L-shaped gold-plated 4-pole mini plug)This one: PLUG (L-shaped stereo mini plug)
HEADPHONES
Sony IER-M500 · Black
UK IERM500B.WW2 · Black
- Manufacturer acoustic construction
- Closed, dynamic
- Manufacturer nominal impedance
- 16 ohm
- Manufacturer headphone mass
- 6.9 g
Manufacturer specifications for Sony IER-M500, part IERM500B.WW2, listed by Sony UK.
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THE ACTUAL PRODUCT
Compare with Sony MDR-EX155AP
Specifications checked 19 Oct 2026Manufacturer specifications, not a hands-on test.
The nearest checked headphones by key specifications, with what differs from the Sony IER-M500 · Black. The first matches the Compare button above.
Sony MDR-EX155APUK MDREX155APB.AE · Black
Sony WF-1000XM5 · BlackUK WF1000XM5B.CE7 · Black- Manufacturer connection declarations
- Bluetooth wirelessThis one: PLUG (L-shaped stereo mini plug)
Sony WF-1000XM5 · Platinum SilverUK WF1000XM5S.CE7 · Platinum Silver- Manufacturer connection declarations
- Bluetooth wirelessThis one: PLUG (L-shaped stereo mini plug)
Key strengths
The manufacturer identifies this exact regional configuration and supplies its own product image.
Before you buy
These are manufacturer claims. Unlisted capabilities remain unknown, and battery modes, headphone mass and separate charging-case measurements retain their source conditions.
Every specification. With its source.
Full specifications
Exact configuration: UK IERM500B.WW2 · Black
16 specifications in 5 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.
Design & fit
5 items
- Manufacturer acoustic construction
- Closed, dynamic
General Features / HEADPHONE TYPE: Closed, dynamic
Source - Manufacturer wearing style
- Not listed by the manufacturer
Not listed by the manufacturer in the captured full model specifications and exact-variant declarations.
Source - Manufacturer headphone mass
- 6.9 g
Size & Weight / WEIGHT: Approx. 6.9 g (without cable)
Source - COLOUR
- Red&Blue Clear Black
Literal manufacturer model-column row: COLOUR: Red&Blue Clear Black. These are model-wide finish options; the exact selected part’s finish is listed separately.
Source - Manufacturer finish
- Black
Exact selected manufacturer part’s finish, not every colour offered for the model.
Source
Connections & battery
4 items
- Manufacturer connection declarations
- PLUG (L-shaped stereo mini plug)
Original analogue/USB inputs and Bluetooth version declarations remain separate. A connector does not establish every host protocol or a microphone path. General Features / PLUG: L-shaped stereo mini plug
Source - Manufacturer battery declarations and conditions
- Not listed by the manufacturer
Not listed by the manufacturer in the captured full model specifications and exact-variant declarations. · Music playback, communication, waiting, charging and NC modes retain their separate source labels. A communication figure is not music-playback endurance; charging-case endurance is separate.
Source - General Features — CORD TYPE
- Y-type
Literal manufacturer model-column row: General Features / CORD TYPE: Y-type
Source - General Features — CORD LENGTH
- Approx. 1.6 m
Literal manufacturer model-column row: General Features / CORD LENGTH: Approx. 1.6 m
Source
Audio specifications
4 items
- Manufacturer nominal impedance
- 16 ohm
General Features / IMPEDANCE (OHM): 16 Ω (1 kHz). The source label supplies ohms; its reference frequency is retained. This alone does not establish loudness or amplifier compatibility.
Source - Manufacturer sensitivity and reference
- 103 dB/mW
General Features / SENSITIVITIES (DB/MW): 103 dB/mW. Preserve the manufacturer’s dB/mW reference; no dB/V or independent measurement is substituted.
Source - Manufacturer frequency-response declaration
- 10 Hz - 40 000 Hz (IEC)
General Features / FREQUENCY RESPONSE: 10 Hz - 40 000 Hz (IEC)
Source - Manufacturer driver diameter
- 5 mm
General Features / DRIVER UNIT: 5 mm. A driver diameter is not a sound-quality score.
Source
Calls & noise control
2 items
- Active noise cancellation
- Not listed by the manufacturer
Not listed by the manufacturer in the captured full model specifications and exact-variant declarations.
Source - Microphone
- Not listed by the manufacturer
Not listed by the manufacturer in the captured full model specifications and exact-variant declarations.
Source
In the box
1 item
- Summary — WHAT'S IN THE BOX
- Carrying Case Clip Fitting Supporters Noise Isolation Earbuds Tips Operating Instructions
Literal manufacturer model-column row: Summary / WHAT'S IN THE BOX: Carrying Case Clip Fitting Supporters Noise Isolation Earbuds Tips Operating Instructions
Source
Compare with other headphones
More of the nearest checked headphones by key specifications, for a side-by-side comparison.
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Sony IER-M500UK IERM500W.WW2 · ClearCompare the two 
Sony WH-1000XM5UK WH1000XM5B.CE7 · BlackCompare the two 
Sony WH-1000XM5UK WH1000XM5S.CE7 · Platinum SilverCompare the two 
Sony WH-1000XM5UK WH1000XM5L.CE7 · Midnight BlueCompare the two 
Sony WH-1000XM5UK WH1000XM5P.CE7 · Smoky PinkCompare the two 
Sony INZONE H3UK MDRG300B.CE7 · BlackCompare the two 
Sony INZONE H3UK MDRG300W.CE7 · WhiteCompare the two