BK Precision 3001
20 Hz-150 kHz Sine/Square Wave Audio Generator

Small, convenient and extremely portable, this little audio generator can be used to test speakers and audio equipment normally found in field service applications
• Sine and square wave generator
• 20 Hz to 150 kHz in 46 steps
• Low distortion R-C oscillator
• Variable output control
• Compact, fully portable, light weight
• Low battery indicator
• 9VDC battery included