Hypex upgraded UcD400 version with the LM4562 buffer op amp

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Out of stock, we order this product for you from our supplier, we expect a delivery time of approximately one week

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Pieces per package 1
Minimum order 1 piece
General description

What do you look for in a power amplifier? Bet it's the sound. Hypex UcD™ amplifier modules are designed from the ground up for true fidelity. Available in 180W, 400W and 700W variants, they represent a new generation of switching power converters truly performing as amplifiers.


Flat, fully load-independent frequency response
Low output impedance
Very low, frequency-independent THD
Very low noise
Consistent top performer in listening trials including class A and SET amplifiers
Runs on unregulated +/- rails
Pop-free start and stop control
Differential audio input
Overcurrent and overvoltage
HxR regulator ready


Monitor loudspeakers for recording and mastering studios
Audiophile power amplifiers for professional and consumer use
Public Address systems
Home theatre systems
Active loudspeakers
Also available with pre-mounted HxR regulators.


The UcD™ circuit is based on phase-shift controlled self-oscillation, with only a single voltage feedback control loop taking off at the loudspeaker terminals. The control function is constructed fully out of passive components, with only the comparator standing in for gain.

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