Subminiature 40W Stereo Audio Amplifier Module Kit | 
 enlarge | Brand: Ramsey
Buy New: $69.95
Availability: Usually ships in 1-2 business days
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| Features:
| • | 2 independent 20W amplifiers in one SMT package! | | • | Super efficient Class D spread spectrum design! | | • | Built-in click and pop suppression! | | • | Balanced & unbalanced hi-Z inputs! | | • | Electronic kit, assembly required |
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| Editorial Reviews:
Product Description
The UAM4 is the big brother to Ramsey's extremely popular UAM2. It uses the latest spread spectrum amplifier technology to bring you clear, crisp, high-power audio without any of the heat which is normally associated with such an amplifier. Its extremely clean Class D design produces two independent 20 watt outputs! This can also be bridged to an extremely efficient (87%!) single channel (mono) 40 watt amplifier. And at 40 watts, youre probably already wondering about the heatsink requirements to dissapate the heat, right? Stop wondering, theres no heat, so there is no heatsink required! And all that power is generated in a single SMT device the size of your thumbnail on a small 2½ square board!
The high impedance input is designed to use your choice of either a balanced line input or an unbalanced signal source using easy to connect Euro terminal blocks. Logic connections to ground are also provided to mute and/or shut down the amplifier. You can also enable the built-in over temperature signal to activate one of these controls automatically! Easy to use board jumpers offer selectable gain of +22dB, +25dB, +29.5dB or +36dB to match your input levels. Board jumpers also enable protection and shutdown options as well as stereo/mono/bridge mode. The amplifier also features built-in click and pop suppression to protect not only your ears and sanity, but your speakers and equipment! Power input for maximum rated output is 18VDC at 2.64A. Input voltage can be reduced to a minimum of 10VDC with reduced output. If required, use our switching power supply below which provides 18VDC at 3.3A with an input of 100-240VAC, 50/60 Hz. It doesnt get much easier than that!
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