The Zapco Z-150.2 SP is a premium Class AB 2-channel amplifier engineered for audiophiles who demand superior tonal accuracy, dynamic range, and control. Delivering 275 watts RMS per channel at 2 ohms, it provides ample power for front stage, midbass, or subwoofer duty while maintaining Zapco’s signature warmth and precision. With flexible crossover options, low noise circuitry, and robust protection, the Z-150.2 SP offers studio-grade sound for competition-level or high-end mobile audio systems.
• Model: Z-150.2 SP
• Type: Class AB 2-Channel Full-Range Amplifier
• Power Output (RMS):
• 4 Ω Stereo: 2 × 165 W
• 2 Ω Stereo: 2 × 275 W
• 4 Ω Bridged: 1 × 550 W
• Frequency Response: 10 Hz – 30 kHz (±1 dB)
• Signal-to-Noise Ratio: > 100 dB
• THD + N: < 0.05% at rated power
• Damping Factor: > 200 @ 100 Hz
• Input Sensitivity: 0.25 V – 8 V (variable)
• Input Impedance: 20 kΩ (balanced) / 10 kΩ (unbalanced)
• Crossover Network:
• High-Pass Filter (HPF): 15 Hz – 4 kHz (12 dB/octave)
• Low-Pass Filter (LPF): 30 Hz – 4 kHz (12 dB/octave)
• Band-pass capable through combined filtering
• Bass Boost: 0 – 12 dB @ 45 Hz (adjustable)
• Cooling System: Oversized aluminum heatsink with variable-speed thermal fan
• Protection Circuits:
• Thermal overload
• Short circuit
• DC offset
• Over/under voltage
• Fuse Rating: 2 × 40 A
• Power Supply: Fully regulated MOSFET PWM design
• Dimensions: 13.8″ (L) × 8.5″ (W) × 2.5″ (H)
• Weight: Approx. 10.5 lb (4.8 kg)
• Included Accessories: Mounting hardware, user manual