Knowles balanced armature driver is a key material of FiiO’s most popular IEMs F9 PRO and FH1. For the FH5, FiiO continues the hybrid driver design that combines the best of balanced armature and dynamic drivers for an absolutely addicting sound. But this time, we put four drivers per ear with three Knowles balanced armature drivers (ED30262 + TWFK-31082) and a 10mm polymer nanocomposite dynamic driver. A. About FiiO FH5: Three Knowles Balanced Armature + one 10mm dynamic driver Patented TRISHELL (TRI+SHELL) structural design Exotic-inspired acoustics design, for an unbelievably real soundscape Exotic-inspired S.TURBO technology, for a burst of pure, raw lows Exotic-inspired independent sound tubes, for smooth transition Learning from the past, inspired by the streamliner era MMCX connectors, to give you more ways to play Comes with the 3.5mm single-ended cable LC-3.5B, 6N silver-plated OCC wire Precisely machined aluminum alloy shell, for easier insertion into your ear Hi-Res Audio Certification You can learn more about the FH5 at: http://fiio.net/en/products/95 B. How to apply: Please apply by replying to this thread and including the following information in your reply: •-Headphone(s) / earphone(s) you possess: •-Any DAP(s) / DAC(s) / amp(s) you may possess: •-Descriptions and links to review(s) you may have posted: •-Your geographical region (e.g. the city and country you live in): •-Your native language (and any other languages you may be able to write in): C. About shipping info: •Depending on the geographical distribution of selected reviewers, FiiO will ship out several FH5s, one or more to reviewers in each region, e.g. USA, Europe, SE Asia, Pacific region, etc. so that shipping costs from one reviewer to the next is kept low. •FiiO will pay for shipping to the first reviewer and any customs taxes / import duties that may result from the FH5 crossing countries. •Preview application period: Starting now! And accepting applications until further notice! •First list of previewers to be announced: July 10th, 2018. •Beginning of shipment of review the FH5:July 11th, 2018 (subjects to the real situation). D. Review regulations (subject to change before the tour commences) •Reviewers should keep the FH5 for at most 10 days before shipping to the next reviewer. •Reviewers should ship the FH5 to the next reviewer by registered post requiring signature in the padded box provided. •Reviewers will not be held responsible for any damage to the FH5 sustained during shipping or normal usage. •Reviewers should do the preview fairly and objectively, and related product photos are required. (Alternatively, video reviews are welcome) •Reviewers need not overstate the advantages of the products. •Reviewers should indicate that the review FH5s are free loan units, in order to avoid any misunderstandings. •Reviewers are reminded to listen responsibly and safely to the FH5, to not use it when operating machinery or driving. •Reviewers should post the completed review content to this thread and the FiiO FH5's review page: https://www.head-fi.org/showcase/fiio-fh5-quad-driver-hybrid-in-ear-monitors.23184/ •Please also provide FiiO with the links to your review, for us to come and admire your work. •Please contact FiiO in advance if you have any difficulties with the FH5 in the course of your preview, so we may help you resolve it if possible. Best regards, FiiO Electronics Technology Co., Ltd.