Meze Audio POET vs Sennheiser HD 550

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

POET compared with HD 550
Meze AudioPOETSennheiserHD 550
Overview
ReleasedFebruary 2025April 2025
Sound
TypeOver-earOver-ear
Noise cancellingNoNo
Driver size–38 mm
BackOpenOpen
Impedance55 ohms150 ohms
Bluetooth codecsNone (wired)None (wired)
DriversRinaro Isodynamic Hybrid Array MZ6 planar magnetic, ovoid, 92 × 63 mm; Rinaro Parus diaphragm (0.06 g, 3,507 mm² active area) with switchback and spiral voice coils; 0.3 T hybrid magnet array; Acoustic Metamaterial Tuning System; driver weight 73 g; 4 Hz – 96 kHz; 101 dB SPL/mW at 1 kHz; THD < 0.05%; maximum SPL > 130 dB; acoustic mass 6.5 kg/m⁴Dynamic, open; custom 38 mm 150-ohm transducers made in Tullamore, Ireland, angled towards the ears; 6 Hz – 39.5 kHz; 106.7 dB SPL (1 Vrms); THD < 0.2% (1 kHz, 90 dB SPL)
Battery
Listening time (maker's claim)No battery (wired)No battery (wired)
Design
Weight405 g237 g (better)
Headphone cableYesYes
Fit and ear tipsCircumaural, open-back; detachable magnetic ear pads; suede leather headrest on a titanium alloy headband; magnesium chassis with steel grilleOver-ear, open-back; synthetic velour ear pads; synthetic leather headband with soft foam; lower clamping force than other HD 500-series models; metal mesh ear cup covers
Works withDual 3.5 mm TS inputs; 2.5 m hand-braided Furukawa PCUHD copper cable with 6.3 mm jackDetachable 1.8 m cable with 3.5 mm plug; 3.5 to 6.35 mm screw-on adapter; balanced and microphone cables sold separately
In the boxHeadphones, 2.5 m copper cable with 6.3 mm jack, PU leather cable pouch, ABS suitcase with foam insertsHD 550 open-back headphones, 1.8 m cable with 3.5 mm plug, 3.5 to 6.35 mm screw-on jack adapter, drawstring bag

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