ESX HXE100.4 4-Channel Class A/B Amplifier

The ESX HXE100.4 is a HORIZON-series 4-channel Class A/B analogue amplifier for universal car audio speaker upgrades. The official ESX English page and owner manual confirm 4 x 60W RMS at 4 ohm, 4 x 100W RMS at 2 ohm and 2 x 200W RMS bridged at 4 ohm.

It adds two high-pass filter sections, low-pass filtering, bandpass mode and bass boost on channels 3/4, with a heavy aluminium heatsink and compact 220 x 51 x 342 mm chassis.

Key specifications

• 4-channel Class A/B analogue amplifier
• 4 x 60/100W RMS at 4/2 ohm
• 2 x 200W RMS bridged at 4 ohm
• 2 x HPF 10-250 Hz
• LPF 50-250 Hz
• Bass Boost 0-12 dB on CH3/4
• Bandpass Mode
• Dimensions 220 x 51 x 342 mm

Best used for

Use the HXE100.4 for front/rear speaker amplification or bridged 2-channel speaker layouts where a straightforward analogue amplifier is preferred.