Behringer KM750

Behringer KM750

4.5/5
The Behringer KM750 is a powerful stereo amplifier ideal for small venues, mobile PA systems, and houses of worship. With 400W per channel at 4 ohms and 750W in bridged mono mode, it ensures high-quality sound with enhanced clarity and punch, thanks to its Accelerated Transient Response (ATR) technology. Featuring switchable limiters, multiple I/O options, and built-in protections, this reliable amplifier fits perfectly into a 2U rack. Its durable all-steel chassis and active fan ventilation ensure longevity and efficient performance. The KM750 delivers exceptional value for demanding audio applications.

Pros and Cons of Behringer KM750

  • Provides 400W per channel at 4 ohms and 750W in bridged mono mode.
  • Accelerated Transient Response (ATR) technology for enhanced clarity and punch.
  • Switchable limiters prevent sudden peaks and protect your gear.
  • Multiple I/O options, including XLR, 1/4″, speakON, and RCA inputs.
  • Built-in protections such as AC fuse, DC fault, short circuit, and thermal protection.
  • Durable all-steel chassis for added reliability.
  • Active fan ventilation for efficient cooling.
  • Rackmountable, fits into a standard 2U rack space.
  • Clean and reliable power supply with toroidal transformer.
  • No digital I/O or network connectivity.
  • No crossover or EQ features for additional signal processing.
  • Not compatible with mobile apps or wireless control.
  • Higher weight (18.7 lb / 8.5 kg) for a 2U amplifier.

Behringer KM750 Specs

Key Specs
Number of Channels 2
Amplifier Power Rating 4 Ohms:
2× 400 W Both Channels Driven
8 Ohms:
2× 200 W Both Channels Driven
1× 750 W Bridged
Amplifier Class Class-AB
Analog Audio I/O 2× XLR 3-Pin Female Balanced Mic Input
2× 1/4″ TRS Female Unbalanced Line Input
2× RCA Coaxial Female Unbalanced Line Input
2× speakON NL4 Female Speaker Output
2× Binding Post Pair 2-Pin Speaker Output (Covered)
Digital I/O No
Network I/O No
Rackmount Size 2 U
Amplifier
Number of Channels 2
Amplifier Power Rating 4 Ohms:
2× 400 W Both Channels Driven
8 Ohms:
2× 200 W Both Channels Driven
1× 750 W Bridged
Amplifier Class Class-AB
Performance
Protections AC Fuse, DC Fault, Short Circuit, Signal Limiter, Thermal
Frequency Response 20 Hz to 20 kHz +0/-0.5 dB (at -10 dB Below Rated Output Power)
10 Hz to 80 kHz -3 dB
Damping Factor > 245 at 8 Ohms
Input Sensitivity 0.77 V / 26 dB
Input Impedance XLR Mic:
30 Kilohms (Balanced)
1/4″ Line:
15 Kilohms (Unbalanced)
RCA Line:
14 Kilohms (Unbalanced)
Max Gain 32 dB
SNR > 100 dB
Distortion < 0.02% (8 Ohms, at 50% Max Power Output)
Signal Processing
Crossover No
EQ No
Connectivity
Analog Audio I/O 2× XLR 3-Pin Female Balanced Mic Input
2× 1/4″ TRS Female Unbalanced Line Input
2× RCA Coaxial Female Unbalanced Line Input
2× speakON NL4 Female Speaker Output
2× Binding Post Pair 2-Pin Speaker Output (Covered)
Digital I/O No
Network I/O No
USB I/O No
Mobile App Compatible No
Wireless No
Power
AC Input Power Factory Set:
120 VAC, 60 Hz (T 12 A H 250 V)
AC Power Connector 1× IEC
Power Consumption 400 W (1/8 Power)
Physical
Display & Indicators 1× White LED (Power)
1× Green LED (Signal, per Channel)
1× Red LED (Clip, per Channel)
3× Yellow LED (Bridged Mode/Mono/Protect, per Channel)
Rackmount Size 2 U
Cooling 1× Fan
Dimensions 19.0 × 12.5 × 3.5″ / 48.3 × 31.8 × 8.9 cm
Weight 18.7 lb / 8.5 kg

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