Aspire 4
Four Driver In-Ear Monitors
$899.00
Ships in 1-4 Business Days
Monitor your performance with 64 Audio's professional universal in-ear monitors (UIEM) specifically designed for musicians and live music professionals. Whether you're just getting into monitoring with in-ears, not ready for customs, need a backup set, or simply prefer generic fitting products Aspire 4 offers best-in-class sound and ergonomics.
Aspire 4
Four Driver In-Ear Monitors
$899.00
Monitor your performance with 64 Audio's professional universal in-ear monitors (UIEM) specifically designed for musicians and live music professionals. Whether you're just getting into monitoring with in-ears, not ready for customs, need a backup set, or simply prefer generic fitting products Aspire 4 offers best-in-class sound and ergonomics.
Since 2010 we've crafted thousands of custom in-ear monitors for some of the world's greatest musical talent. Working with these discerning and critical entertainers has shaped our products and technological development, culminating in our most accessible UIEM to date. Sharing that same legendary DNA and patented technology, Aspire 4 is the ultimate UIEM for anyone who needs to HEAR LIKE A PRO.
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World Class Sound
With live music at the forefront of our tuning criteria do we make a highly accurate unforgiving studio monitor or a contoured device that helps musicians hear themselves more effectively? As with many of our monitoring tools the answer is somewhere in the middle. Huge bass that can reproduce some of the toughest frequencies in the audible spectrum with quick ease. Forward mids that are precisely elevated for articulation in the most vital region of instruments and voices. Plenty of top end sparkle really separates Aspire 4 from any other UIEM in its class, making this powerful sound signature a perfect blend of accuracy and musicality.
Professional Heritage
Since 2010 we've crafted thousands of custom in-ear monitors for some of the world's greatest musical talent. Working with these discerning and critical entertainers has shaped our products and technological development, culminating in our most accessible UIEM to date. Sharing that same legendary DNA and patented technology, Aspire 4 is the ultimate UIEM for anyone who needs to HEAR LIKE A PRO.
Color
Black
Frequency Response
20Hz - 18kHz
Isolation
-20 dB
Material
Molded ABS Shell
Stainless Steel Nozzle
Impedance
11Ω @ 1kHz
IPX Cable
48" Black - Detachable
90 degree 3.5mm Jack
Driver Configuration
1 Low Dynamic Driver
2 Mid Balanced Armature Drivers
1 High Balanced Armature Driver
Sensitivity
104dB @ 1kHz @1mw
Included Items
Carry Case
Foam + Silicone Ear Tips
Oval Foam Tips
IPX Cable
Cleaning Tool
1/4" Adapter
Shirt Clip
Our stainless steel nozzle, coupled to the molded ABS shell, provides durability needed for consistent use and the removal of ear tips. With a flange design and mesh grill, ear tips won’t fall off by mistake and the sound bore will remain free of debris.
Our patented technology seamlessly integrated into the body of the earphone. The pressure relieving channel provides our controlled leak via acoustic filters as opposed to pneumatically interactive foam in our traditional Apex™ implementation.
Custom designed acoustic structure integrated onto the high-frequency balanced armature driver. Unique in its shape and implementation, this waveguide increases the driver's efficiency by directing and focusing its energy for a crisp and clear sound.
LID is a proprietary circuit that corrects the non-linear impedances of the drivers, restoring proper interaction with the source and preserving the desired sound signature.
How is Aspire 4 different from your other custom and universal models?
Aspire 4 isn't custom fitting, so similar to our other Universal In-Ear Monitors (UIEMs) it requires the use of foam or rubber ear tips which are provided with the UIEMs. Unlike our other UIEMs (U4s, U12t, Fourté, etc) Aspire 4 is built with an ABS molded shell and a stainless steel tip. It’s also built with an IPX (or T2) socket as opposed to a 2-pin socket. Aspire 4 is also our only UIEM that isn’t built with our tia™ technology.
Since it has four-drivers how does it differ from your other four-driver models like U4s and Fourté?
Along with the redesigned form factor and shell materials, Aspire 4 is our only four-driver model that is crossed over 3-ways (lows, mids, highs) as opposed to those other models that are 4-way crossovers. While Aspire 4 doesn’t use our tia™ driver for the highs we developed a revolutionary waveguide to bring its highs to our incredibly high standards. It is also the only UIEM specifically designed and tuned for musicians and live-audio professionals as opposed to audiophiles and high-end audio enthusiasts.
What does “Hybrid” mean?
Hybrid refers to our use of multiple styles of drivers to achieve our desired sound. Aspire 4 combines the use of balanced armature drivers for the mids and highs, and a single dynamic driver for the lows.
How does apex core differ from your patented apex™ tech?
Apex core, which is also used in Duo, achieves the same pressure relief using a different internal structure and material compared to our standard apex tech. Similar to some of our other UIEMs, Aspire 4's apex core tech is built in rather than an interchangeable module.
If I can't get a good fit with your tips, am I able to use third party tips?
Yes you can use any tips you'd like, the nozzle outer diameter is 5mm so that is the dimension you need to keep in mind when trying third party tip.
If the cable fails do I need to send the whole unit in for repair?
No, since the cable is detachable you can just buy a new cable from our website or any other cable that uses genuine estron IPX (or sometimes called T2) parts.
When I plug these in I have to turn the volume higher/lower than my previous set. Does that mean they're better/worse?
Since most IEM models have different “sensitivity” specs you will find that anytime you change your IEM model you might need to adjust your volume. It isn't necessarily an indication of quality or volume capacity.
Where is Aspire 4 made?
Aspire Products are Designed, Packaged and QC’d by highly skilled technicians in the United States. Assembled in China using components sourced globally from trusted suppliers.
Sound
+With live music at the forefront of our tuning criteria do we make a highly accurate unforgiving studio monitor or a contoured device that helps musicians hear themselves more effectively? As with many of our monitoring tools the answer is somewhere in the middle.
Huge bass that can reproduce some of the toughest frequencies in the audible spectrum with quick ease. Forward mids that are precisely elevated for articulation in the most vital region of instruments and voices. Plenty of top end sparkle really separates Aspire 4 from any other UIEM in its class, making this powerful sound signature a perfect blend of accuracy and musicality.
Specification
+
Material
Molded ABS Shell
Stainless Steel Nozzle
Color
Black
Frequency Response
20Hz - 18kHz
Driver Configuration
1 Low Dynamic Driver
2 Mid Balanced Armature Drivers
1 High Balanced Armature Driver
Isolation
-20 dB
IPX Cable
48" Black - Detachable
90 degree 3.5mm Jack
Sensitivity
104dB @ 1kHz @1mw
Impedance
11Ω @ 1kHz
Included Items
Carry Case
Foam + Silicone Ear Tips
Oval Foam Tips
IPX Cable
Cleaning Tool
1/4" Adapter
Shirt Clip
Technology
+
Our stainless steel nozzle, coupled to the molded ABS shell, provides durability needed for consistent use and the removal of ear tips. With a flange design and mesh grill, ear tips won’t fall off by mistake and the sound bore will remain free of debris.
Our patented technology seamlessly integrated into the body of the earphone. The pressure relieving channel provides our controlled leak via acoustic filters as opposed to pneumatically interactive foam in our traditional Apex™ implementation.
Custom designed acoustic structure integrated onto the high-frequency balanced armature driver. Unique in its shape and implementation, this waveguide increases the driver's efficiency by directing and focusing its energy for a crisp and clear sound.
LID is a proprietary circuit that corrects the non-linear impedances of the drivers, restoring proper interaction with the source and preserving the desired sound signature.
FAQ
+How is Aspire 4 different from your other custom and universal models?
Aspire 4 isn't custom fitting, so similar to our other Universal In-Ear Monitors (UIEMs) it requires the use of foam or rubber ear tips which are provided with the UIEMs. Unlike our other UIEMs (U4s, U12t, Fourté, etc) Aspire 4 is built with an ABS molded shell and a stainless steel tip. It’s also built with an IPX (or T2) socket as opposed to a 2-pin socket. Aspire 4 is also our only UIEM that isn’t built with our tia™ technology.
Since it has four-drivers how does it differ from your other four-driver models like U4s and Fourté?
Along with the redesigned form factor and shell materials, Aspire 4 is our only four-driver model that is crossed over 3-ways (lows, mids, highs) as opposed to those other models that are 4-way crossovers. While Aspire 4 doesn’t use our tia™ driver for the highs we developed a revolutionary waveguide to bring its highs to our incredibly high standards. It is also the only UIEM specifically designed and tuned for musicians and live-audio professionals as opposed to audiophiles and high-end audio enthusiasts.
What does “Hybrid” mean?
Hybrid refers to our use of multiple styles of drivers to achieve our desired sound. Aspire 4 combines the use of balanced armature drivers for the mids and highs, and a single dynamic driver for the lows.
How does apex core differ from your patented apex™ tech?
Apex core, which is also used in Duo, achieves the same pressure relief using a different internal structure and material compared to our standard apex tech. Similar to some of our other UIEMs, Aspire 4's apex core tech is built in rather than an interchangeable module.
If I can't get a good fit with your tips, am I able to use third party tips?
Yes you can use any tips you'd like, the nozzle outer diameter is 5mm so that is the dimension you need to keep in mind when trying third party tip.
If the cable fails do I need to send the whole unit in for repair?
No, since the cable is detachable you can just buy a new cable from our website or any other cable that uses genuine estron IPX (or sometimes called T2) parts.
When I plug these in I have to turn the volume higher/lower than my previous set. Does that mean they're better/worse?
Since most IEM models have different “sensitivity” specs you will find that anytime you change your IEM model you might need to adjust your volume. It isn't necessarily an indication of quality or volume capacity.
Where is Aspire 4 made?
Aspire Products are Designed, Packaged and QC’d by highly skilled technicians in the United States. Assembled in China using components sourced globally from trusted suppliers.
Aspire 4
Universal Fit - Four Drivers
$899.00
MSRP