SPECS:     No written spec was found for the UMI-BTA9       WHERE TO BUY / COST:   http://amzn.to/2h6jhkA $69.99 new ( often heavily discounted down to $25 or less )   OVERVIEW Happy Chinese New Year! I am giving one last Chinese IEM a review because it's important to review not only the good headphones, but to cover some of the bad ones too. The UMI-BTA9 from UMIDIGI rests somewhere in between because there are aspects of it that I love and some that flat out are unforgivable. The UMI-BTA9 Bluetooth IEM is an in-ear built for lifting...

    SPECS: Drivers                      Single Balanced Armature Rated Impedance     30 Ω Frequency Range     16 Hz ~ 22 kHz Sensitivity                 105 dB at 1 mW Cable                        1.3 m Y-Cord, Over the ear, OFC Copper Plug                          3.5 mm, Gold plated Warranty                  (24 month warranty)   http://www.brainwavzaudio.com/collections/earphones/products/b150-balanced-armature-in-ear-earphone   $109 new   OVERVIEW Happy New Year and welcome to 2017. This year brings some new gear among this the Brainwavz B150...

  SPECS: Driver Type                      8mm Dynamic Plug Type                        3.5mm Gold-plated Cord Length                    1.3m Y Frequency Response     12 Hz – 22 kHz Impedance                      32 Ohms Sensitivity                       110dB / mW @ 1kHz Remote                           Android and Apple compatible   WHERE TO BUY / COST: $89.50   OVERVIEW The M100 is a new IEM from Brainwavz that has a goal of sounding great amped. Amping any headphone can provide better control of the driver by damping which...

  SPECS: VMV VA2 http://smsl360.com/SMSL%20VMV%20VA2   SMSL H8 http://smsl360.com/SMSL%20M8   Linear Power Supply ( PSU ) No site found   WHERE To BUY / COST: Amazon, Newegg, SMSL   OVERVIEW I own the SD-793ii from SMSL and wanted to check out a more pro-grade setup. I stumbled upon the M8/VA2/PSU stack and placed an order. You get a DAC capable of DSD playback which I did not test. You also get a headphone amp that has both low and high gain outputs, and a linear power supply to clean up the power to both. Also provided are all of the...

  SPECS: ( from Music Hall )   OVERVIEW Years ago I borrowed a Music Hall 15.2 and compared it to the HeadRoom Ultra Desktop amp/DAC I had at the time. I enjoyed its sound and build quality so much that it stuck in my mind for years. I’ve been through a ton of gear since and want to revisit Music Hall’s products to see how they compare. My current setup consists of a Grace Design m903 amp/DAC, Schiit Bifrost 4490 DAC, and a HeadRoom Balanced Ultra Desktop Amp.   AESTHETICS One great thing about the 25.3 is that you can plug just about any digital...

VAFEE'S QCY QY11: A VERSATILE IEM     SPECS: http://www.amazon.com/Bluetooth-Cancelling-Sweatproof-Headphones-Hands-free/dp/B019TTSYOG/ref=sr_1_4?ie=UTF8&qid=1455685619&sr=8-4&keywords=vafee   Bluetooth Version:                       V4.1+ EDR Chip:                                            CSR8645 Operation range:                         10m Wrap around cable length:          60.0cm Weight:                                        0.65oz  Battery capacity:                         90mAh Charging time:                            1-2 hours...

BRAINWAVZ BLU-200: LONG LASTING WIRELESS COMFORT     SPECS: http://www.brainwavzaudio.com/products/blu-200-bluetooth-4-0-aptx-earphones   Driver Type                      9.2mm Dynamic Wireless Range              10 meters    Cord Length                    N/A Frequency Response       20 Hz – 20 kHz Impedance                      16 Ohms Sensitivity                       96dB / mW @ 1kHz   WHERE TO BUY / COST: http://www.brainwavzaudio.com/products/blu-200-bluetooth-4-0-aptx-earphones $54.50 new   OVERVIEW After reviewing the Brainwavz BLU-100 I...

SPECS: http://www.brainwavzaudio.com/products/xfit-xf200-noise-isolating-sport-iem-earphones-w-3-button-remote-microphone   Driver Type                     9mm Dynamic ( bass ported ) Plug Type                       3.5mm Cord Length                   1.4m Y Frequency Response     20 Hz – 20 kHz Impedance                     16 Ohms Sensitivity                       95dB / mW @ 1kHz   WHERE TO BUY / COST:   http://www.brainwavzaudio.com/products/xfit-xf200-noise-isolating-sport-iem-earphones-w-3-button-remote-microphone   $25.00 new  ...

SPECS: http://www.edifier.com/us/en/headphones-earphones/p293-handfree-tpewire   Driver Type                      10mm Dynamic Plug Type                        3.5mm Cord Length                     1.3m Y Frequency Response        20 Hz – 20 kHz Impedance                       32 Ohms Sensitivity                        106dB / mW @ 1kHz     WHERE TO BUY / COST: http://www.edifier.com/us/en/headphones-earphones/p293-handfree-tpewire $59.99 new   OVERVIEW Edifier has been making audio products since the 90’s and their aim remains the...

      SPECS: http://www.brainwavzaudio.com/products/omega-iem-noise-isolating-earphones-with-microphone-remote   Driver Type                   6mm Dynamic Plug Type                     3.5mm Cord Length                 1.2m Y Frequency Response   20 Hz – 20 kHz Impedance                   16 Ohms Sensitivity                     98 dB / mW @ 1kHz   WHERE TO BUY / COST: http://www.brainwavzaudio.com/products/omega-iem-noise-isolating-earphones-with-microphone-remote $15.00 new   OVERVIEW With over 7 years of IEM experience Brainwavz...

TELOS ACOUSTICS FUJISAN: A Great Sounding Scalable IEM     SPECS: http://www.headphone.com/products/telos-acoustics-fujisan-premium-in-ear-headphone   Driver Type                      Dynamic Plug Type                        3.5mm Cord Length                    1.3m Frequency Response      20 Hz – 20 kHz Impedance                      16 Ohms Sensitivity                        100 dB / mW @ 1kHz       WHERE TO BUY / COST: http://www.headphone.com/products/telos-acoustics-fujisan-premium-in-ear-headphone $299 new   OVERVIEW...

Brainwavz HM2: A Sleek Bass Headphone     SPECS http://www.brainwavzaudio.com/collections/headphones/products/hm2-headphones?variant=6644195525 Driver Type                     Dynamic ( 40 mm ) Plug Type                       3.5 mm TRRS Cord Length                   1.2 m Flat and 1.2 m with in-line remote Frequency Response     10 Hz – 20 kHz Impedance                      32 Ohms Sensitivity                       104 dB / mW @ 1kHz   WHERE TO BUY / COST: http://www.brainwavzaudio.com/collections/headphones/products/hm2-headphones...

HiFiMAN HE-400i:  A Low Cost Neutral Planar     SPECS: http://www.hifiman.com/products/detail/178 Driver Type                       Single-sided Planar Plug Type                         3.5mm with 7.5mm adapter ( dual 2.5mm into the earcups ) Cord Length                     1.5m Frequency Response       20 Hz – 35 kHz Impedance                       35 Ohms Sensitivity                         93 dB / mW @ 1kHz Weight                              370g   WHERE TO BUY / COST: http://store.hifiman.com/index.php/headphones/he-400i.html...

INTRO Audio-Technica has been in the business of making great audio gear for over 40 years. They have several headphones available including this new flagship, the ATH-R70x. Being very familiar with the ATH-M50 I wanted to review their newest headphone because I was curious to see if they have improved on their already stellar M50. I also have listened to the ATH-AD700 which was my gaming recommendation for a few years because it had wonderful instrument separation, directionality, and treble. Let’s dig in and find out how it sounds, how it’s...

                    SPECS: http://www.noontecusa.com/product/noontec-zoro-wireless-stereo-headphones   Driver Type                      Dynamic / 40mm Plug Type                        3.5mm Cord Length                    1.2m Frequency Response     13 Hz – 26 kHz Sensitivity                        108 dB / mW @ 1 kHz Bluetooth                         2.4G Max Distance               ~ 10m (33ft) Charge Time                ~ 3 Hours Music Playtime            ~ 20 hours Weight                            170g   WHERE TO BUY /...

Brainwavz S3:  Coherent Bliss         SPECS: http://www.mp4nation.net/brainwavz-s3-iem-noise-isolating-earphones-with-clearwavz-remote-and-microphone Transducers/Drivers: Dynamic, 8mm Rated Impedance: 16ohms Closed Dynamic Sensitivity: 96dB at 1mW Frequency range: 16Hz ~ 22 KHz Rated input power: 10mW Plug: 3.5 mm gold plated Cable length: 1.3 meters Flat Cable 24 Month warranty   WHERE TO BUY / COST:   http://www.mp4nation.net/brainwavz-earphones $79.50 new   TEST TRACKS   California Girls by The Beach Boys found on...

Brainwavz KIDWAVZ KV100:  A Step in the Right Direction             SPECS:   http://www.yourbrainwavz.com/kv100.html   Distortion                         1% Frequency Range         ~ 2.48 GHz Mic Sensitivity                 -40dB Bluetooth                           4.0 Max Distance               ~   10mt(33ft) Charge Time                ~   3 Hours Music Playtime            ~   6 Hours Talk Time                     ~  10 Hours   Bluetooth Functions Microphone Phone Call Control Audio Player Control   WHERE TO BUY /...

Brainwavz Jive:  New Looks and New Tuning   http://www.yourbrainwavz.com/jive.html           SPECS: http://www.yourbrainwavz.com/jive.html     Special Note:  The Jive’s impedance is 16 Ohms and sensitivity is 98 dB @ 1mW making it tricky to drive at times.     WHERE TO BUY / COST:   http://www.mp4nation.net/headphones/IEMs $28.00 new   TEST TRACKS   California Girls by The Beach Boys found on Sounds of Summer - The Very Best of The Beach Boys – Track testing the entire spectrum from bass, mids, to treble  ...

Brainwavz BLU-100 Bluetooth IEM   http://www.yourbrainwavz.com/blu100.html           SPECS:   http://www.yourbrainwavz.com/blu100.html           WHERE TO BUY / COST:   http://www.amazon.com/dp/B00YDVY34Q/ref=sr_1_1?ie=UTF8&keywords=bluetooth+earphones   $50 new   TEST TRACKS   1901 by Birdy – Tests high treble, clarity, and overall feel of a headphone’s fun factor.   I Shall Not Be Moved by Damon Fowler – Used to test the punchiness of drums, coherence of the midrange, and vocals.     OVERVIEW   If, like me...

noontec ZORO II HD:  Portable Neutrality   Website:  http://www.noontec.com/html/us/article_read_278.html               SPECS:   WHERE TO BUY / COST: http://www.noontec.com/html/us/article_list_95.html$   $90 new   TEST TRACKS 1901 by Birdy – Tests high treble, clarity, and overall feel of a headphones fun factor.   I Shall Not Be Moved by Damon Fowler – Used to test the punchiness of drums, coherence of the midrange, and vocals.   Now We Are Free (From "Gladiator") by The City of Prague Philharmonic – Tests the...