Lightning Audio Amplifier

Advanced Sounds high-resolution audio amplifier is designed for listeners that want to maximize their HiRes audio files with their HiRes earbuds! The built-in DAC and amplifier bring the audio processing required to render the HiRes audio files directly from your iPhone and iPod. Don't miss out on true audio, get the accessport today!


High-resolution 24-bit Lossless Audio
ADVANCED Accessport provides stunning, high-resolution, 24-bit audio for your smartphones through any pair of headphones / earphones. The built-in, dedicated DAC and amplifier bring the intensive audio processing required to properly render the lossless audio right to the palm of your hand.

Charge and Listen
The combination of charging port and audio port allows you to charge your smartphone while listening to your high-resolution music.

Power up your Headphones
The Accessport provides enough power to drive headphones with impedance up to 300ohm.

Maintain Call Function
Full call-functionality via built-in button arrays or via in-line remote controls from your earphones using the certified components.*

No Battery Required
The Accessport draws power directly from the smartphone at a ultra-low 40mW and does not require a separate battery.



Chipset MCU with proprietary firmware
Audio depth Up to 24-bit / 96,000hz
Signal-to-noise ratio 122dB
Power output 40mW (16ohm)
Amplification Up to 300ohm
MFi components C68 + LAM

Collections: Accessories

Type: Accessories

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After eight great years in our Capitola location, we're moving to Mid-Town! Our new location is in the Seabright neighborhood of Santa Cruz, near the Sutter Health Physical Therapy Center and Lilian's Italian Restaurant. Call us if you would like instructions.

Our New Santa Cruz Location:
The Listening Stack
1535 Seabright Ave. Ste. 100
Santa Cruz, CA 95062
(831) 498-9890

This will be our new address as of August 22, 2022 and is only for our Capitola location. Our Watsonville location is still at 1484 Freedom Blvd. Our phone number is still (831) 498-9890 so feel free to call us if you have any questions.