DISCLAIMER I would like to thank Penon for providing this review unit. The Penon Turbo can be gotten here: https://penonaudio.com/penon-turbo.html (no affiliate links). SPECIFICATIONS Driver configuration: 6 x balanced armature drivers (4 x Sonion BA and 2 x Knowles BA) Frequency response: 10 Hz - 20 kHz Impedance: 16 Ω Sensitivity: 103 dB Cable: 2-pin, 0.78 mm; OCC and silver-plated mixed cable; option for 2.5 mm, 3.5 mm or 4.4 mm termination Tested at: $549 USD ACCESSORIES Other than the IEM, we have: - 3 pairs of wide-bore silicone...

DISCLAIMER I would like to thank Letshuoer for providing this unit. The Letshuoer DT03 can be gotten here: https://letshuoer.net/products/letshuoer-dt03-headphone-amplifier-portable-high-resolution-dac-amp (no affiliate links). SPECIFICATIONS/COMPATIBILITY Tested at: $89 USD This a plug-and-play dongle, and additional driver installation is not needed for Windows 10 and above. It was easily recognized by various Windows and Android devices I paired it with. As I am not an Apple ecosystem user, I can't vouch for its compatibility with these...

DISCLAIMER I would like to thank HIFIGO for providing this review unit. The DUNU x Gizaudio Da Vinci can be gotten here: https://hifigo.com/products/dunu-x-gizaudio-davinci (no affiliate links). SPECIFICATIONS Driver configuration: 2 x 8 mm biocellulose dynamic driver + 10 mm biocellulose dynamic driver + 4 x custom balanced armature drivers Frequency response: 5 Hz - 40 kHz Impedance: 35 Ω Sensitivity: 109 dB/mW Cable: 2-pin, 0.78 mm; LEO single crystal-copper with silver-plating; Q-lock Mini 3.5 mm and 4.4 mm modules available Tested at...

DISCLAIMER I would like to thank Linsoul for providing this review unit. The Intuaura Splendor II can be gotten here: https://www.linsoul.com/products/intuaura-splendorii (no affiliate links). SPECIFICATIONS Driver configuration: 10 mm composite alloy diaphragm dynamic driver Frequency response: 20 Hz - 20 kHz Impedance: 18 Ω Sensitivity: 125 dB/Vmrs Cable: 2-pin, 0.78 mm; copper cable; 3.5 mm or 4.4mm termination available. Also can be used with included USB-C Phantasm DAC/AMP cable Tested at: $259 USD ACCESSORIES Other than the IEM, these...

DISCLAIMER I would like to thank Simgot for providing this review unit. The SuperMix 4 can be gotten here: https://www.linsoul.com/products/simgot-supermix-4 (no affiliate links). SPECIFICATIONS Driver configuration: 1 x 10 mm polymer diaphragm dynamic driver + 1 x balanced armature driver + 1 x micro-planar driver + 1 x piezoelectric driver Frequency response: 20 Hz - 20 kHz Impedance: 7.2 Ω Sensitivity: 120 dB/Vrms Cable: 2-pin, 0.78 mm; oxygen-free copper silver-plated cable; 3.5 mm termination Tested at: $149.99 USD ACCESSORIES Other...

DISCLAIMER I would like to thank HIFIGO for providing this review unit. The Tanchjim 4U can be gotten here: https://hifigo.com/products/tanchjim-4u (no affiliate links). SPECIFICATIONS Driver configuration: DMT-4 PU suspended LCP dome composite diaphragm dynamic driver Frequency response: 8 Hz - 48 kHz Impedance: 32 Ω Sensitivity: 122 dB/Vmrs Cable: 2-pin, 0.78 mm; copper-plated silver braid cable; 3.5 mm termination Tested at: $69.99 USD ACCESSORIES Other than the IEM, these are included: - 3 pairs of wide-bore silicone eartips (S/M/L) -...

DISCLAIMER I would like to thank Hifigo for providing this unit. The ROSESELSA RS9039 can be gotten here: https://hifigo.com/products/roseselsa-rs9039 or https://www.amazon.com/dp/B0D3PWW3C3/roseselsa+rs9039/ (no affiliate links). SPECIFICATIONS/COMPATIBILITY Tested at: $75.99 USD The RS9039 is a plug-and-play dongle. No additional driver installation is needed for Windows 10 and above, and this dongle was easily recognized by various Windows and Android devices I paired it with. As I am not an Apple ecosystem user, I can't vouch for its...

DISCLAIMER I would like to thank HIFIGO for providing this review unit. The AFUL Explorer can be gotten here: https://hifigo.com/products/aful-explorer (no affiliate links). SPECIFICATIONS Driver configuration: 1 x 8 mm bio-cellulose diaphragm dynamic driver + 2 x self-developed balanced armature drivers Frequency response: 10 Hz - 30 kHz Impedance: 26 Ω Sensitivity: 108 dB/mW Cable: 2-pin, 0.78 mm; copper silver-plated cable; 3.5 mm or 4.4 mm termination available Tested at: $119.99 USD ACCESSORIES Other than the IEM, these are included...

DISCLAIMER I would like to thank Hidizs for providing this unit. The S8 Pro Robin can be gotten here: https://www.hidizs.net/products/hidizs-s8-pro-robin-hifi-balanced-dongle-dac (no affiliate links). SPECIFICATIONS/COMPATIBILITY DAC Chip: Dual CS43131 Cirrus Logic Weight: 17 g Dimensions: 58 × 23 × 11 mm Output ports: 3.5 mm single-ended and 4.4 mm balanced Typical output power: 3.5 mm single-ended: 80 mW (@32 Ω); 4.4 mm balanced: 160 mW (@32 Ω) Playback: PCM up to 32 bit/384 kHz; DSD 256 THD+N: 0.0005% for 3.5 mm; 0.0006% for 4.4 mm port...

DISCLAIMER I would like to thank Linsoul for providing this review unit. The ZiiGaat Doscinco can be gotten here: https://www.linsoul.com/products/ziigaat-doscinco (no affiliate links). SPECIFICATIONS Driver configuration: 2 x 10 mm polymer diaphragm dynamic drivers + 1 x Sonion 26A05 BA + 1 x Sonion 2354 BA + 1 x Knowles 33518 BA Frequency response: not stated Impedance: 16 Ω Sensitivity: 104 dB Cable: 2-pin, 0.78 mm; no information on cable materials Tested at: $269 USD ACCESSORIES Other than the IEM, these are included: - 3 pairs of...

DISCLAIMER I would like to thank HIFIGO for providing this review unit. The Celest Relentless can be gotten here: https://hifigo.com/products/kinera-celest-relentless (no affiliate links). INTRODUCTION For folks that are interested in a little ancient Chinese mythology, the "Relentless" namesake used for this IEM is actually from a touching story of a legendary guardian bird: SPECIFICATIONS Driver configuration: 8 mm dynamic driver + 2 x 29689 balanced armature drivers + 4 x 10012 balanced armature drivers Frequency response: 20 Hz - 20...

DISCLAIMER I would like to thank Linsoul for providing this review unit. The Shozy P20 can be gotten here: https://www.linsoul.com/products/shozy-p20 (no affiliate links). SPECIFICATIONS Driver configuration: 14.5 mm planar driver Frequency response: 5 Hz - 40 kHz Impedance: 30 Ω Sensitivity: 105 dB/mW Cable: 2-pin, 0.78 mm; modular cable with 3.5 mm and 4.4 mm terminals; no information about cable materials Tested at: $139 USD ACCESSORIES Other than the IEM, these are included: - 3 pairs of wide-bore silicone eartips (S/M/L/) - 3 pairs of...

DISCLAIMER I would like to thank the HIFIGO for providing this review unit. The Elysian Pilgrim can be gotten here: https://hifigo.com/products/elysian-acoustic-labs-pilgrim (no affiliate links). SPECIFICATIONS Driver configuration: 1 x 9.2 mm Liquid Silicone Rubber (LSR) Mg-Al alloy diaphragm dynamic driver + 1 x 2300 Sonion balanced armature driver + 2 x E50 Sonion balanced armature drivers Frequency response: 10 Hz - 20 kHz Impedance: 9 Ω Sensitivity: 101 dB Cable: Pentaconn connector; silver-plated copper stock cable; option for 3.5 mm or...

DISCLAIMER I would like to thank Penon for providing this review unit. The Shozy MXN can be obtained here (no affiliate links): https://penonaudio.com/SHOZY-MXN.html SPECIFICATIONS Driver configuration: 15.4 mm dynamic driver Frequency response: 18 Hz - 22 kHz Impedance: 32 Ω Sensitivity: 110 dB Cable: non-detachable; no info on cable materials. Option for 4.4 mm or 3.5 mm termination Tested at: $49.90 USD ACCESSORIES Other than the earbuds, these are provided: 1) Carrying case 2) Red high-density full foams 3) Black medium-density full...

DISCLAIMER I bought the FA19 at a discounted price from Aliexpress. It can be gotten here: https://www.aliexpress.com/item/1005006889859626.html (no affiliate links). SPECIFICATIONS Driver configuration: 10 x Knowles balanced armature drivers Frequency response: 20 Hz - 40 kHz Impedance: 10 Ω Sensitivity: 106 dB/mW Cable: MMCX; silver cable 8 stranded Litz; modules for 3.5 mm and 4.4 mm terminals Tested at: $999.99 USD ACCESSORIES Other than the IEM, these are included: - 2 pairs of foam eartips (M) - 2 pairs of double flange silicone...

DISLCAIMER I would like to thank Creative for providing this unit. The Aurvana Ace 2 can be gotten here (no affiliate links): https://en.creative.com/p/headphones-headsets/creative-aurvana-ace-2 SPECIFICATIONS Tested at: $162 USD ACCESSORIES In addition to the TWS buds, the following are included: - USB type-C to USB-A cable - Charging case - 4 pairs of silicone eartips The accessories are very serviceable, not much to complain about here. The charging case is very elegant, featuring a translucent plastic façade, with an inner...

DISCLAIMER I would like to thank the Linsoul for providing this review unit. The ThieAudio Hype 4 can be gotten here: https://www.linsoul.com/products/thieaudio-hype-4 (no affiliate links). SPECIFICATIONS Driver configuration: 2 x 10 mm composite dynamic drivers (isobaric arrangement) + 2 x 26A Sonion BAs for midrange + 2 x Sonion E50 Hummingbird ultra-tweeter BAs Frequency response: 10 Hz - 22 kHz Impedance: 17 Ω Sensitivity: 105 dB Cable: 2-pin, 0.78 mm; silver-plated OCC cable Tested at: $399 USD ACCESSORIES Other than the IEM, these are...

DISCLAIMER I would like to thank Linsoul for providing this review unit. The Tin HIFI P1 Max II can be gotten here: https://www.linsoul.com/products/tinhifi-p1-max-ii (no affiliate links). SPECIFICATIONS Driver configuration: 14.2 mm planar driver Frequency response: 10 Hz - 20 kHz Impedance: 16 Ω Sensitivity: 98 dB/mW Cable: 2-pin, 0.78 mm; 4 stranded oxygen-free copper silver-plated mixed cable; 3.5 mm termination Tested at: $139 USD ACCESSORIES Other than the IEM, these are included: - 3 pairs of wide-bore silicone eartips (S/M/L) - 3...

DISCLAIMER I would like to thank Linsoul for providing this review unit. The 7Hz Aurora can be gotten here: https://www.linsoul.com/products/7hz-aurora (no affiliate links). SPECIFICATIONS Driver configuration: 1 x 12 mm composite diaphragm dynamic driver + 2 x custom balanced armature drivers + 1 x 6 mm micro-planar driver Frequency response: 5 Hz - 40 kHz Impedance: 30 Ω Sensitivity: 105 dB/V @ 1 kHz Cable: 2-pin, 0.78 mm; single-crystal copper cable; 3.5 mm and 4.4 mm modular terminals Tested at: $399 USD ACCESSORIES Other than the...

DISCLAIMER I would like to thank Penon for providing this unit. The Penon Tail can be gotten here: https://penonaudio.com/penon-tail.html (no affiliate links). SPECIFICATIONS/COMPATIBILITY DAC Chip: Dual CS43131 Cirrus Logic chips Output ports: 3.5 mm single-ended and 4.4 mm balanced Typical output Power: 3.5 mm single-ended: 45mW (@32 Ω) or 8.07mW (@600 Ω); 4.4 mm balanced: 151.25mW (@32 Ω) or 29.4mW (@600 Ω) Playback: PCM up to 32 bit/384 kHz; DSD 256 THD+N: -103 dB for 4.4 mm port; 100 dB for 3.5 mm port Crosstalk: -135 dB for 4.4 mm port...