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Add event-driven message playback anywhere with this cost-efficient audio record and playback kit. Use the included microphone to record and the included speaker for playback, or connect to an external source and amplification and create your own custom messaging system.
Sure Electronics AA-AK31141 Audio Record and Playback Kit
This cost-efficient record and playback kit is great for point-of-purchase displays, haunted houses, or any application where an event-driven (use the onboard switches or wire to an external switch) pre-recorded message is needed. An ISD1730 IC is used for high-quality, multi-message voice recording and playback via the built-in audio amplifier. Voice signals can be fed into the IC for recording through two independent paths: a differential microphone input (for use with the included microphone element) or a single-channel 42k ohm analog input.
The ISD1730 provides up to 670 mW (with 5.5 VDC power supply) of Pulse Width Modulation (PWM) Class-D speaker amplification (to power the included 3/4", 8-ohm driver) and a separate analog output for use with an external amplifier (sold separately). Up to four messages (20 seconds of total message duration available) can be recorded and saved into the ICs non-volatile flash memory that maintains recordings, even without power.
A green LED is used as the operating indicator and operating input voltage spans a range from 2.4 to 5.5 VDC to ensure that the kit is optimized for a wide range of battery options; you can even use USB bus power! Kit requires assembly.
Note: Speaker wire in the finished picture is not included.
| Key | Function | Description |
| SW1 | Reset | When pressed, the device enters into the powered-on, clear-all state. |
| SW2 | Record | When pressed, starts recording a message, hold the key for the duration of the message. If there's an analog audio input , hold both SW2 and SW7 to record the analog signal. |
| SW3 | Play | Plays recorded messages individually. |
| SW4 | Erase | Erases individual messages or performs a global erase when you keep on hold this key for 4 seconds. |
| SW5 | Forward | Advances to the next message from the current location. |
| SW6 | Volume | Cycles through 8 volume settings, loudest to softest. |
| SW7 | FT | Hold this key with SW2 to enable the Analog In for analog input record. |
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Speakers
Amplifiers
DAC converters
DSP modules
Streamers
Turntables
Woofers
Tweeters
Exciters
Bass shakers
Plate amplifiers
Amplifier modules
Single board computers
Assembled crossovers
Printed Circuit Boards (PCB)
Capacitors
Resistors
Coils
Circuit Breakers
Crossover tools
Screw terminals
Acoustic measurements
Electric measurements
Sound level meters
DIY amplifier kits
DIY component packs
DIY speaker kit
DIY subwoofer kits
DIY bluetooth speaker
DIY electronics kits
Binding posts
Cabinet Hardware
Cables
Connectors
Speaker cabinets
Electromechanics
Power supplies
Speaker repair
Workshop & tools
Amplifier accessories
Stands & mounts
Gift voucher
Books
New products
