Crystal Radio Audio Amplifier With Headset, Amplifier and Earbuds for Sale

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Crystal Radio Audio Amplifier With Headset, Amplifier and Earbuds For Sale

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Crystal Radio Audio Amplifier With Headset, Amplifier and Earbuds:
$30.00

High Gain Crystal Radio Audio Signal AmplifierModel 4LR44 Amplifier- With Noise Filters
MY BEST AND HIGHEST PERFORMANCE AMPLIFIER DESIGNWith Power Indicator LED, Power Switch and Volume Control
Includes a Stereo Headset for Simulated Stereo Sound
Also Includes Earbuds that Don\'t Go Into Ear CanalSound Is Output On both Left & Right Headset or Earbud Elements(Does Not Output True Stereo Sound)Designed using a 4LR44 Low cost Battery
DETAILS:This Special Model Has a Special Circuit that works only with Stereo TRS Headsets or TRS Earbuds (See Image in Photo Gallery)Only For Magnetic 8 Ω (8ohm) Stereo Headsets or Earbuds with 3.5mm Plug
Large Capacity Battery that has extended lifeDesigned With Low and High Frequency Noise Filter Circuits
Socketed LM386 Integrated Circuit For Easy ReplacementVolume Control With Knurled Finger Tuning Knob(Audio Volume Can be adjusted From Whisper Quiet to Loud by Turning the Knurled Blue Knob)Power ON/OFF Switch and LED Indicator (LED Brightness is set to Low to Reduce LED Power Consumption and Extend Battery Life)Ultra Compact Small Size Amplifier (1.3\" Wide and 2.1\" Long)Includes Stereo Headset and Earbuds with 3.5mm Male PlugIncludes a 6\" 3.5mm Double End Input CableUses a Low Cost 4LR44 Battery Battery is IncludedPower switch to turn off the Radio to conserve Battery Power when not in useDOES NOT WORK WITH PIEZO OR MONO EARPHONES OF ANY TYPESCHEMATIC DIAGRAM IS NOT AVAILABLE
For Crystal Radio use:
1) Connect the Crystal Radio Audio Output using the Included Cable to the Input Jack of the Amplifier2) Plug the Headset or Earbud Plug into the Output Jack of the Amplifier3) Slide the POWER Switch to the ON Position (LED will glow in the ON Position)4) Rotate the Blue Volume Control (With Finger Knob) to adjust VolumeCONNECTION DETAILS ARE SHOWN IN THE PHOTO GALLERYSince an LM386 does not provide any overcurrent protection. If you overdrive the output, you will blow the LM386 IC in short time. The LM386 IC can be easily replaced on the Socketed Models.This Listing is for One Amplifier, One Double Ended Connection Cable and HeadsetDO NOT ALLOW THIS AMPLIFIER TO TOUCH ANY METAL SURFACE-BATTERY MAY SHORT OUT OR PERMANENTLY DAMAGE THE ELECTRONICSPackage Includes:1 piece fully assembled Amplifier Board1 piece 6 inch Long Double Ended 3.5 Mono Cable1 piece Stereo Headset1 piece Stereo Earbuds1 piece LR44 Battery

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Crystal Radio Audio Amplifier With Headset, Amplifier and Earbuds For Sale

Crystal Radio Audio Amplifier With Headset, Amplifier and Earbuds: $30.00

Crystal Radio Audio Amplifier With Headset, Amplifier and Earbuds:
$30.00