They Made a Compact Planar Magnetic. Here's the Problem.

Planar magnetic headphones don't have to be huge and heavy — the Simphonio PH-3 (Charm) proves it. But does compact come at a cost? At $299 USD, the Simphonio Charm is one of the most interesting compact planar magnetic headphones available. The resolution, punch, and imaging it delivers for its size and price is genuinely impressive. But there are things you need to know before you buy. In this review I cover: → What makes the Simphonio PH-3's planar technology so technically interesting → The one tuning issue that holds it back — and what to do about it → How it compares to the HiFiMan Edition XS, Zaylli Lyro, and Beyerdynamic DT900 Pro X → Which ear pads to use, and how to handle them correctly → Who should (and shouldn't) buy these If you're searching for the best headphones under $300 for travel or desktop listening, this is one worth knowing about. Learn more here: https://www.simphonio.com/ Join my channel for lots of benefits! https://bit.ly/PFSMember All my headphone measurements: https://pfs.squig.link/headphones Need help? Message me on Minnect: https://bit.ly/HiFiHelp Get MERCH! https://bit.ly/PFSMerch *affiliate links help support the channel - thank you! BEST AUDIO BARGAINS BELOW! World's Best Cable Pro interconnects Review - https://bit.ly/44b8KtW Global* - https://amzn.to/3UOFtAN Tipsy M1 IEM Review - https://bit.ly/48del5v https://tipsyaudio.com/ Apos Gremlin headphone amp Review - https://bit.ly/43FZjna Global* - https://bit.ly/GremlinAmp SMSL M20 DAC & headamp Review - https://bit.ly/4oManqu Global* - https://amzn.to/3YRxG79 Schiit Mimir DAC Review - https://bit.ly/4r3cuaI Global - https://bit.ly/484APo8 FiiO FT1 headphones Review - https://bit.ly/4lfVCLd Global* - https://amzn.to/4iC4VTG Thieaudio Cypher headphones Review -    • Finally, a reference headphone done right!...   Global* - https://bit.ly/TACypher FiiO M21 digital audio player Review - https://bit.ly/3K3PzeU US & CA* - https://bit.ly/FiiOM21DAP Global*: https://amzn.to/3HS7wfe xDuoo TA-66 tube amp Review - https://bit.ly/448jRoo US & CA* - https://bit.ly/xDuooTA-66 Global* - https://amzn.to/3VWWSYS SMSL AS400 speaker amp & DAC Review - https://bit.ly/480NiZQ Global* - https://amzn.to/3JkFxWi FiiO K13 R2R DAC & headamp Review -    • The next evolution of R2R is here! FiiO K1...   Global* - https://amzn.to/48r94WU US & CA* - https://bit.ly/K13R2RPFS Ampapa D1 amp Review -    • Why didn't somebody do this years ago??  A...   Global* - https://amzn.to/49Lm3Dn ADAM D3V active speakers Review - https://bit.ly/4rhHeoO Global* - https://amzn.to/4hw2Doo SMSL RAW-DAC1 DAC Review - https://bit.ly/43EXDKC Global* - https://amzn.to/4hgqgkJ US & CA* - https://bit.ly/RAWDAC1 Singxer SA-2 headamp Review -    • The sleeper hit of 2026! Singxer SA-2 review   Global* - https://amzn.to/3ZiTTeq US & CA* - https://bit.ly/SingxerSA2A SMSL PL200T CD transport Review - https://bit.ly/4o9LDaE Global* - https://amzn.to/3IKlkIQ US & CA* - https://bit.ly/SMSLPL200T Nitsch Pietus Maximus headamp Review - https://bit.ly/49nY3Yy Global - https://bit.ly/3JQqkwC Shanling EC Zero T portable CD player Global* - https://amzn.to/47U9RR1 Chord Mojo 2 DAC & headphone amp Review - https://bit.ly/43F0Rhg Global* - https://amzn.to/3E5GNKj FiiO K17 DAC, headamp, streamer & preamp Review - https://bit.ly/42hKvIX Global* - https://amzn.to/3QWziIH US & CA* - https://bit.ly/FiiOK17 Geshelli Lbs Torc DAC Review -    • The last DAC you will ever need to buy? Ge...   Global* - https://bit.ly/GLTorc SJY Horizon Closed Carbon headphones Review - https://bit.ly/3DTKMd5 Global* - https://bit.ly/SJYHCCA ZMF Bokeh headphones Review - https://bit.ly/4hXLhAN Global - https://bit.ly/42vMLwo EverSolo T8 streamer Review - https://bit.ly/4pdmo7V Global* - https://amzn.to/4gjdSkx Topping D900 DAC Review - https://bit.ly/4oJNoMP Global* - https://amzn.to/44D157g US & CA* - https://bit.ly/TopD900 Vinshine Taihang power conditioner Review -    • Your DAC sounds worse without the Vinshine...   Global - https://bit.ly/VinTaihang (not affiliate) ADAM A7V active speakers Review - https://bit.ly/4i2hO8L Global* - https://amzn.to/43mIbma Burson Soloist Stellar head/preamp Review -    • High-end audio just got smaller! Burson So...   Burson - https://bursonaudio.com/shop/soloist-... US & CA* - https://bit.ly/SoloistStellar LTA Velo headamp/preamp Review - https://bit.ly/42Eeknp Global - https://bit.ly/LTAVelo Gustard X30 DAC Review - https://bit.ly/4p93yij Global* - https://bit.ly/GUSTARDX30 Amzn* - https://amzn.to/3LenKRj Luxear Valor IEMs Review -    • Let these IEMs amaze you! Luxear Valor review   Global - https://bit.ly/LuxearValor (not affiliate) 00:00 Simphonio Charm (PH-3) review 00:15 Design & features 01:15 Sound quality 03:20 Pad options 05:38 Portable headphone comparisons 07:43 Final thoughts #SimphonioPH3 #PlanarMagnetic #Audiophile #HeadphoneReview #SimphonioCharm #HiFiManEditionXS #PortableAudiophile #ZaylliLyro #PassionForSound