FiiO F9 PRO was released at our launch event about 10 days ago and the review units are getting ready soon. Would you like to test out this Triple Driver Hybrid In-Ear Monitors and find out what's new about it? The following functions might help you know more about our brand new F9 PRO. Most importantly, if you are interested in getting your hands on it, don't forget to reply to the thread and take part in the review tour! Dynamic (PEK Polymer Nanocomposite Diaphragm) 2 Balanced Armatures (TWFK-30017-000 Knowles Dual BA drivers TWFK-30017-000) Hi-Res Audio Certified + Red & Blue Metal Hoop Decorating the MMCX Connector Over-the-ear Design L-shaped plug+ Laser-marks+ Metal Hoop Come with one 3.5mm single-ended audio cable with in-line control and 2.5mm balanced cable Provided with Neoprene Storage Bag & waterproof carrying case & 3 Pairs of Memory Foam / Silicone Ear Tips & 3 pairs of thread ear tips 6 pairs of silica gel ear tips Shipping info: Depending on the US area of selected reviewers, FiiO will ship out several FiiO F9 PROs, one or more to reviewers in each region, e.g. CA, VA, New York, 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. Preview application period: starting now! And accepting applications until further notice. First list of previewers to be announced: to be confirmed. Beginning of shipment of review the FiiO F9 PRO: to be confirmed. 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 of US you live in): What you can get to post the review of FiiO F9 RPO： You will earn 30% off for buying one of FiiO earphone on Amazon. ( The FiiO official Amazon account) Review regulations (subject to change before the tour commences): •Reviewers should keep the FiiO F9 PRO for at most 10 days before shipping to the next reviewer. •Reviewers should ship the F9 PRO 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 F9 RPO 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 F9 PRO's are free loan units, in order to avoid any misunderstandings. •Reviewers are prohibited from using or disseminating pirated music on the F9 PRO. •Reviewers are reminded to listen responsibly and safely to the F9 PRO, to not use it when operating machinery or driving, and not to drive headphones to excessive volume with the F9 PRO. •Reviewers can post the completed preview content to this thread and the FiiO F9 PRO's review page: https://www.head-fi.org/showcase/fiio-f9-hybrid-3-way-in-ear-monitors.22609/ or you can post the reviews to any other platform, such as reddit ,or Amazon ect. •Please also provide FiiO US 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 F9 RPO in the course of your preview, so we may help you resolve it if possible.