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Amplifiers & DAC


  • Each cMoyBB is hand assembled
  • Features choice of bass boost
  • Carefully designed printed circuit board
  • Enhanced opamp stability and sound quality
  • Protection against external EMI/RF interference
  • Power input jack

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Retail Price: S$139.00

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Product Details

Technical Features

JDS Labs' success is due to cMoyBB's legendary bass boost switch. Switched off, your original audio signal is amplified. Switched on, bass increases up to 9.4dB for a perceived 2x increase in bass volume. cMoyBB uses a carefully designed PCM with attention to detail that cannot be achieved in protoboard amplifiers, or even in circuit boards designed by experienced hobbyists. Handling more than twice the voltage of most cMoys and supporting dual rail splitters, the cMoyBB offers over 200% higher power handling than the original cMoy! Decoupling capacitors on all power pins significantly enhance opamp stability and sound quality.


cMoyBB is encased inside of a brand new Altoids® Peppermint tin, protecting the circuit from some forms of external EMI / RF interference. 

Other Functions

cMoyBB's power input jack allows you to power the amp from your desk. Optional charging support also provides convenient, integrated 9V NiMH battery charging.

Frequency Response           ±0.1 dB (20Hz - 20kHz) 
Output Impedance 0.6 ohms
Battery Standard: External 9V battery
Rechargeable: Integrated 9V NiMH battery 
Battery Time Run time: 8-50 hours
Charge Time: 10 hours (Rechargeable) 
Gain 6x (or Custom)
I/O Ports Line Out 3.5mm
Headphone jack 3.5mm 
Dimensions 116 x 64 x 21 mm
Weight 3.6 oz

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