Why upgrade?
Earplug 2 has been completely re-designed using state of the art ROHS Compliant components. Below we list a comparison of the two devices
Features


Sender - 1kHz Sine-wave tone 0,-20,-40db Level
Sender - Pink Noise 0,20,-40db Level

Int Mic - PTT button to activate 0,-20,-40db Level

Monitor - Input with 0db or 40db gain
Monitor - Input with 0, 20 or 40 db gain

Mic Amp - Only intermittent phantom power for testing of microphones
Mic Amp - Switchable or permanent 48v Phantom Power with Onpass
(Monitor Input routed to Sender output to allow use as a "Gain Raiser")

Cable Tester - using Phantom Power to test a balanced audio cable

Phantom Power LEDs

LBL Technology - “Little Blinking Light” to indicate battery status
LBL Technology - disabled when DC input is used as power source
Torch - a 30000mCd Led Torch
(because we know how often soundmen have to work in the dark!)
DC Input - external 9 to 18v DC input which can be of either polarity