This compact headphone amplifier is named “JIEZI (芥子)”, drawing from the Buddhist parable “Though small as a mustard seed, it contains Mount Sumeru”. Just as a tiny seed can hold a towering mountain, the “JIEZI (芥子)” portable DAC/Amp, despite its small size, condenses rich acoustic technology, allowing users to fully enjoy a vast musical world.SatorArepo · Aug 9, 2025 at 6:22 PM" style="box-sizing: border-box; display: inline-block; max-width: 100%; color: rgb(0, 0, 0); font-family: Railway, Helvetica, Arial, sans-serif; font-size: 15px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(230, 230, 230); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; cursor: pointer;">

The JIEZI (芥子) adopts an integrated cable-body design that eliminates complicated wiring. It supports 10-band PEQ tuning and curve saving/sharing, bringing high-precision PEQ tuning technology to entry-level products. Its compact body integrates multiple chips, supporting PCM 32bit/384kHz and DSD256 decoding. Users can choose between inline call control and unbalanced single-ended common-mode architecture, with distinct characteristics between A/B versions. Its golden hoop staff-like appearance and patterns showcase Chinese aesthetic style. At just an entry-level price, JIEZI (芥子) delivers professional and rich audio experiences for audiophiles.Professional DSP, 10-band customizable PEQThe JIEZI (芥子) features a professional DSP chip, bringing high-precision PEQ tuning technology to entry-level products. Through the FIIO Control App or web interface can freely adjust frequency curves. You can save these custom sound tunings and easily share them via the cloud, perfectly matching different preferences.SatorArepo · Aug 9, 2025 at 6:22 PM" style="box-sizing: border-box; display: inline-block; max-width: 100%; color: rgb(0, 0, 0); font-family: Railway, Helvetica, Arial, sans-serif; font-size: 15px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(230, 230, 230); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; cursor: pointer;">

Triple integrated technologies, outstanding performanceIn its tiny body, the JIEZI (芥子) integrates a high-performance USB chip, high sampling rate DAC and ADC, and a high-precision DSP. It supports PCM 32bit/384kHz and DSD256 decoding, offering impressive performance at an affordable price.SatorArepo · Aug 9, 2025 at 6:22 PM" style="box-sizing: border-box; display: inline-block; max-width: 100%; color: rgb(0, 0, 0); font-family: Railway, Helvetica, Arial, sans-serif; font-size: 15px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(230, 230, 230); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; cursor: pointer;">

SatorArepo · Aug 9, 2025 at 6:22 PM" style="box-sizing: border-box; display: inline-block; max-width: 100%; color: rgb(0, 0, 0); font-family: Railway, Helvetica, Arial, sans-serif; font-size: 15px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(230, 230, 230); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; cursor: pointer;">
