Mutiple input/output interfaces: with 3.5mm AUX/stereo RCA/5-DIN inputs and stereo RCA/5-DIN outputs, can be compatible with most low-volume audio sources such as ipod, ipad, phone, TV, MP3 player, potable CD player, computer, video game etc., and boost their output to the level needed to drive amplifier or speakers.
With built-in amplification and voltage boost circuit: adjustable gain to match better with different audio sources, support DC 5-24V wide input voltage that can share the power supply of amplifiers, while L1 can always work at a high voltage of 26V to provide ±12.5V high output amplitude and max 20dB high gain.
Unique design and HiFi clear sound: double-side PCB design, NE5532P op amp with pluggable socket design, convenient to change other op amps to enjoy different sound and bring much DIY fun for audiophiles. High-qaulity sealed potentiometer, with wide frequency bandwidth and excellent dynamic response, the sound is smooth and natural, warm and delicate with ultra-low distortion.
Mini size with exquisite appearance, compact and all-metal design for durability and shielding the electronics from electromagnetic interference with noise rejection. Perfect design in size and function, suitable for many scenarios to increase the output level, such as home stereo system, mixer or speaker setup, karaoke, audio recording, party, live stage event etc.

Shipping is complimentary within the lower 48 US States.

We Do Not Ship to PO/APO Boxes, HI or Alaska
We Do Not Ship Outside of the Continental US
All items ship within 24-72 hours of Payment
For large items that require Freight shipping a valid phone number is required to call and schedule your delivery

Feedback is extremely important to us and
If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority!
If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns.
We PROMISE we can make you happy if you give us a fair chance.

All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged
Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority!
All items are IN STOCK at time of listing.
Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items.
Please do not penalize us if we have to issue you a refund!

Thank You For Your Business!