![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiICsdQbpSl0j-Vguq_qgUOIoZu76wy8rVzgTi5hLzUJQFvrFhubgDoZ2p5mMLGdQPHq8VkJmTc6AmzkS7man4DoYcgXg4GN8XOlr9cZ32isxVUo4F3d1Yk5_pqIMtD1hu6KelrLav5Qz8/s640/FiiO+FA1+Knowles+Single+Balanced+Armature+Around-The-Ear+IEMs.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjeYR96lXTzP_q883hh3yio-Piee35f-OedeAqR4EeDPUq8QFlcDfO6bHIWvW2e-ZXQSjNP_Gwlg1Q36ziDl0f1DZPD3oK1Nr9dDIvu1qyYMdFlxtYCNKSq2f3uTU68kSRTa53DjupN8uo/s640/FiiO+FA1+Knowles+Single+Balanced+Armature+over+the+ear+IEMs.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgfouMofUm46NY9FnUnRk1CxlCU9yKc5QPmDNqUSQNxIMmZElf2D16Bo_I7lzMMjeUyNLZRsMGWD2rDeB4qsbKeLpQqIEQcbbNknzC-Ot5zH_U-cITCE5QIYsNtt0URmr_poymZB4WG8mM/s640/FiiO+FA1+Single+Balanced+Armature+Around-The-Ear+IEMs.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEinOI7uFgfGfE2Y8d_3ZwHsIwgd-1o4jf5Fajyn5nxCfsCWFtPrnY-f5yK0D9UdasQKZF_CjLi4KvHwaaxBLiFxYva29TVzLdaV1CnGDd49TPWymJXxsno1ulV3SP4HxJypgvfRWSCTpOg/s640/FiiO+FA1+Knowles+Single+Balanced+Armature+drivers.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjYyVWDjKGaIlEF3Bb5emDnCYA1GbW2xq9zUiAl0sO56VNOcPmINTZ7Qe9y8YGU4hncbKFTnJEj3KRVwLjHQ_x3p6USj9i3xlgVIAuH09r7R0DuFn4OsV9zGr7PK3MBQ88vyq-CrwzHAUs/s640/FiiO+FA1+Knowles+Single+Balanced+Armature+resin+3d+printing+dlp.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh0YT6fm3pxwgHwmyYkEyy7WdKFazeSCFcpqxPLe4OENC4NUhMZBD7UQonPZtt2Y7TvVix_jSNDhQybThayJKXwI5XPjFHMBTBKSHrMLXcfLFHnEidsImh5xUcZWB11b0zhSiWSyJhBZ90/s640/FiiO+FA1+Knowles+ED-33357+drivers.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh23W7vValNrDh1M5rgjxRQUrOLKY_R4gjcwiRq9ybwp38FVyQLoj_jekDlSopkroW6XprRlX1WVTdAFZ3UCtcuumakjs6Fy3gKhTkHaCjk6-sY1BN5YO8zhP6qM3rKjOwKdM1N7NCbXsM/s640/FiiO+FA1+Knowles+Single+Balanced+Armature+MMCX+connectors+%25282%2529.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEirbr5dbjL9f5u6vY1SIQy7t-pyH1JoISpQ2gb7mOVZceN8GtGiGx0JOTkcR9uyn3momKmWDHzmLQMYHwlqj3PxZpyi_8QIudLhuAcU4Q8yvBe0UyJOACZTAlOl0RNkCKLh0rq6GiFGKsA/s640/FiiO+FA1+Knowles+Single+Balanced+Armature+MMCX+connectors+%25281%2529.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg0Szv_ud1IE2Vk62WCNEYRd0Ozdht9a-H4fgcHJFtKmwMJFxmKaGNRnmkLVVXofZbQ1-VV8vhctGK0xFzzorrwtNxoUWCRHz0UQZONqZN5OVIK1UDXlcfKBYjePYankauiyQG0MVCwnjw/s640/FiiO+FA1+l+shaped+plug+3.5mm+gold+plated+connector++%25282%2529.jpg)
L-shaped plug with 3.5mm gold-plated connector
If you've never seen a MMCX unbalanced cable before that's because this type of cable does not typically come with most in-ear monitors which usually feature a standard unbalanced 3.5mm cable.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEipZbkJbOJCHd9b2uKGehooXZkwMLNTHzgX5VPnKqGt7lxd_HMiNAF4lwVS0xcrJqlrR29IXVgPZZeKkUvlEeu4Jey3eQ5XN-YtEFJbgULiNND58JoQh3FF0bSyfODjm_NY5drNpzQKR_U/s640/FiiO+FA1+Knowles+Single+Balanced+Armature+drivers.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiLAYuQF_X0EfodqfEO6491UXcaVvc4oXmE1mRZ7j8DWTHEDJ0yfC1np6WnJ0hPCnmnz2Ul4NvTs_ninqLw6g0SoMDq5ZTOaSIFE9N-cllpu46-AOZNypd4Vb5r2NBgYGCgM0fSH3vVDiQ/s640/FiiO+FA1+l+shaped+plug+3.5mm+gold+plated+connector++%25281%2529.jpg)
Balanced cables tend to use a 2.5mm connector but you can also get IEMs with balanced cables with 3.5mm connector (i.e. HiFiMan RE-600). Usually, if the connector has 3 black rings (TRRS) it is a balanced cable and unbalanced if it has 2 black rings (TRS). The addition of a balanced cable would have definitely made the FiiO FA1 much more appealing though having a 3.5mm plug means you can use the FA1 IEMs with the M3K digital audio player as well as the BTR3 and BTR1K Bluetooth headphone amplifiers
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiiyOLMmZ3_ng_n3FQCUIkJnGzZ_NwX_LGKrS-l2VRNP3flAyhscRi0VKjVNhNDcf8jGVaHDF5PHDzIz2c5eQf-a5_PXRHUzZp9F4cpVYNvOoXi2NOxkrGHs1uOZ1tfnl5hIIb3xidXM6k/s640/FiiO+FA1+Knowles+Single+Balanced+Armature+thick+rubber+strain+reliefs.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhs4nuh605cjTvFDQr3gGFDuDOvzVt0OGs41VsMViNhw9BFpc4yVfWxibJYfdCmSLAG4kNuScZRWb0qGJH8a-ma3YLhteWAJ9GYXDxwp7aUrYPdXNcXxOh9mZPFkJkvrr0RJb2cNAEx5zk/s640/FiiO+FA1+mmcx+cable.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgt6MWgnGFSzW8O8UlDKjsudyAGqHhu4gvj2O0bkQSLU0mNOCnH-raYYj-oMCNSJ7BPgK2xl-cXs6RF1pmtTAQ6bUpIyl_isIlDwciAXUUZnmEjK3i_R1kqq_tBXQyK2n2dyHPxG5jzfTE/s640/FiiO+FA1+wired+IEMs.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi76Hib9TeRHiX77j5WRr7STw0VrPouxX_qFcq0-OPfCkA5nIJJXDIrWg9lzhi_xNErjtSeK_GFcOwRevn5ks0r5N9JiZAZVubWRpUd02_WpcEDcWGVeYjNVCEnlqW-kr6BmWY_mXTqtKQ/s640/FiiO+FA1+nozzle+test+tube+science+lab.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEht4mb4xAhSFE8aSnLm41l3CmxsxQZ1S9jMvH-vK_6jb0s1Ojj6Xt2y691cSGf2eaI53gO619LOQB4Wctz8PIreWl3kMkANzu8AlAzZThyphenhyphenxdrO1fIXAvyx4YTItf3wk0MTCC5befaEyuMo/s640/FiiO+FA1+Knowles+Single+Balanced+Armature+in+ear+monitors.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEieX6iLKHzQjHLrLUZzu_4NyW44i_IpnXJpw9TxszDDVrsD34OehnyRvlNhn92IKzjIoBjpbAuIn1dIePKhT0lu_4XXvX9NbOemoXZcBR0CbYdNwRmoo_mYf_oPz5FOrxKvp2jpuI62nsg/s640/FiiO+FA1+accessories+eartips+brush.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjkSXY0184XXqNjcrYi8bz0Cr4O71iCCwDJ5-Kt5mlLWuQrvlFZzxhrMUhtpfWba7AXWGbbQw75NHNXe4Mk4wHeJhZaIGIV5fYrf235Bm5VqmhgVlRqWETnDM6absWGVIR6aDSKd4qw5BQ/s640/FiiO+FA1+earphone+cinch.jpg)
cable management earphone cinch
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjcJts1pRDv2HbYLUsInZC3q2JSQQZUOn52JAiP8qaA7Jc9hdm6-vJz5U6LBTD4VJM6CilH6kssQaLpuPSEB5zPifh9-e1kn4r1tQmlRxPGsneykwG2kMOmI2lB8rxxZ5OhmFhE3R3_-YE/s640/FiiO+FA1+Knowles+Single+BA+Around-The-Ear+IEMs.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEihyphenhyphenclBzcQwAHJh6gs0Z3oz5WDBxPv92grYTTVKeW0kdLHfbXiTuklXaFDZ8xmvX9uE2xyDuc-ArBteW4ImT55y4x18QqM1WJ4SfAitLed8dfJuiSvHxqA2zQn-N-h80ghH8-HabHdKueU/s640/FiiO+FA1+Knowles+Single+Balanced+Armature+.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj3PKLFji7lU2DM7_OUBlYifV-j4Dnb1hg2h-5Q6AFOGsUmDY_8G_NYxIy0hGZ-xVqxFGcZlTbg7KdNylwKlVvObJyMcqToyMT2uX78NSdVatkOxUfRTGX4ftdbyfEXgVe2-z7P1gQ1ygk/s640/FiiO+FA1+hard+plastic+shell+carry+case.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEicsW9wsKcrhrr8GYlnfdikRsXbJpGnO6Cw9YT8MGQds9Sndz0vyakmQ_kLNWex97p33NhwXRMnmHBc0I-wyAyvxaTT8yKVAgzYDzyb0xApEcLPrpiv8eWyvfuoYP6QWHW6NW7PWutop5U/s640/fiio+fa1+hardshell+plastic+case.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhbN9hFLiepvPECm2cG6Kimouj9zdUBO627B_cHRE4PfCk6o5kieWJyMHy00Cf96Sc7Fn_cORsggK6-F7g-_yyPSaQ9mr5lCoPkgkX20EYd4uT4nt6lSX8HucjlsPd3EKNt-Fbk0Z5Y4h8/s640/fiio+fa1+box+packaging+%25281%2529.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg_znWjGIAYpT7eM5pwgPaeGCvYg0J4xPAJcfcZIthtNwVRS9i48NvfWxEmsyeiag0SlG_Cz9ycxqF06kK7OPR5hgLu_525AcNFVXhoZnhdkxME5x7QqjWL2fqvdgxn8KbGBN0qllr5lmM/s640/fiio+fa1+user+manual.jpg)
user guide
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiWou8zml4MRMXi8Xj4-avvbXTB__NKp4SlZHa_QKl9YnLa4QhsgI6BqS9jkqNvjisV9iDG3xgV6Zn3AwU3XuVhYjBcJNZ7xEqLZ_uNSZgFSNv9JBRp3aRFShPGHrKzX_XHOxi_C6nslco/s640/fiio+fa1+box+packaging+%25282%2529.jpg)
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