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Amplifiers and Powered Speakers at ISE 2025

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  • Powered Speakers at ISE 2025
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Profusion will be showcasing some of our latest audio components at ISE 2025 this February 4-7, with a focus on parts for audio amplifiers and powered speakers.

Below we've highlighted some of our latest and finest parts that will be on display, including power semiconductors, ICEpower Class D amplifier modules, a high quality MUSES digital controller, and Resolute's new AES70 ethernet remote control modules.

You'll find us at Stand 8C950, where our technical staff will be available to discuss these and other new and upcoming innovations in audio semiconductors and pro audio design.

Join us for free by registering at iseurope.org using code UWADVGCU.

Can't make the event? Please contact us for sample requests or with queries regarding these featured parts.

AES70 Network Monitoring
Class D Amplifier Modules
Integrated Circuits for Audio
Power Semiconductors

AES70 Network Monitoring

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Remotely monitor and control all amplifier functions such as standby and clip, as well as complex filter settings using AES70 standard control protocols.

A production module and various eval boards are available.

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RAECM
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RAECMSVC
Part No. Description Supply
RAECM Configurable Ethernet Control Module with AES70 5V
RAECMC Ethernet Control Module Development Carrier 5V
RAECMSVC Ethernet Control Module Carrier with Audio Switcher and Digital Volume 5V
Resolute Audio
Resolute AES70 Introduction

Class D Amplifier Modules

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We have a huge range of great sounding amplifier modules from 50W to 2000W, and PSUs. Highly efficient and reliable amplifiers will reduce development costs for new powered speakers and amps.

A compatible DSP module from Resolute Audio is available.

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Part No. Description Supply Voltage Other
ENGINE-400 Compact Class D Amplifier ±32V to ±60V 400Wrms into 4Ω (current limited)
200Wrms into 8Ω (voltage limited)
Class D Amplifier Modules

Integrated Circuits for Audio

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The MUSES72323 is a ±18V operation high quality audio volume digital controller.

It is the highest performance IC available to accurately reproduce original sound, and as with all MUSES parts undergoes both critical listening tests alongside exacting design standards.

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  • MUSES overvolume controls - up to 141dB range.
  • High operating voltage ±18V
  • Ultra low noise -124dBV
  • Ultra low distortion 0.00024% at 1.6Vrms
  • Volume changes in 0.25dB steps from -111.75dB to 0dB, then 3dB steps to +21dB
Part No. Description Supply Voltage Channels
MUSES72323 Volume Controller - Ultra-low Noise and Distortion ±18V 2
Volume Control ICs

Power Semiconductors

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KEC high-speed IGBTs to 1200V, as well as complementary audio transistors.

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Exicon lateral MOSFETs for high-end amps.

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Sanken complementary audio transistors.

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UTC low-cost super junction and trench MOSFETs .

Part No. Description Manufacturer Power (W) Bandwidth (MHz)
ECX10N20 Plastic Lateral MOSFET Exicon 125 -
ECX10P20 Plastic Lateral MOSFET Exicon 125 -
KTD1640G-Y NPN Power Darlington Transistor 150V 15A KEC 130 70
KTB2640G-Y PNP Power Darlington Transistor -150V 15A KEC 130 45
2SA1386Y Power Transistor -160V -15A Sanken 130 40
2SC3519Y Power Transistor 160V 15A Sanken 130 50
2SA1943 Power Transistor 230V 15A UTC 150 30
2SC5200 Power Transistor 230V 15A UTC 150 30
KTA1943A-O Power Transistor 230V 15A UTC 150 30
KTC5200A-O Power Transistor 230V 15A UTC 150 30
2SA1668 Power Transistor -200V -2A Sanken 25 20
2SC4382 Power Transistor 200V 2A Sanken 25 15
2SB649 PNP -160V -1.5A UTC 1.4 140
2SD669 NPN 160V 1.5A UTC 1.4 140
KTC2875 NPN Audio Muting Transistor KEC 0.15 -
KIA7805API-U/PF Voltage Regulator 1A 5V KEC - -
KIA7815API-U/PF Voltage Regulator 1A 15V KEC - -
KIA7905PI-U/PF Voltage Regulator 1A -5V KEC - -
KIA7915PI-U/PF Voltage Regulator 1A -15V KEC - -