If you find your mobile device produces wimpy sound, even through headphones or earbuds, you may need to boost the output with the Mobile Music Pump. NuForce says that today’s mobile devices usually aren’t powerful enough to drive many of today’s quality headphones/earbuds. The Mobile Music Pump (MMP) increases the gain by 3X or 5X to “make your music truly come alive… wherever you go.” The MMP has 3.5mm audio plugs for input and output and a microUSB port for charging. Frequency response is 20 – 20,000 Hz +/- 1.5 dB; output is stated as 94 mW @ 32 ohm, 1.74 V, 10% THD+N 49.2 mW @ 100 ohm, 2.2 V, 10% THD+N. The 200mAh battery gives you 8 hours of playback time between charges. It measure 2.3″ X 1.9″ X 0.4″ and weighs only 0.8 ounce, so you’ll hardly notice it’s been added to your gear. The MMP has an MSRP of $59; check the NuForce website to online and local resellers.
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