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Meyer 700-HP Ultra-high Power Powered Subwoofer

The Meyer Sound 700-HP ultrahigh-power subwoofer sets a new standard for the power-to-size equation. The 700-HP's power and bandwidth handle high continuous operating levels and extreme transient information with minimal distortion in its operating frequency range.

Meyer Sound's rigorous design approach has been applied to extract the greatest efficiency from every part of the system, resulting in the 700-HP's effortless reproduction of low frequency transient information. As a self-powered system, the transducers, amplification and control electronics of the 700-HP are created as a symbiotic system that optimizes performance and maximizes its tremendous power.

The operating frequency range of 28 Hz to 150 Hz complements other Meyer Sound loudspeakers and line and curvilinear arrays in sound reinforcement applications requiring maximum headroom at the low end of the frequency spectrum.

The 700-HP's efficiently tuned cabinet houses two Meyer Sound-designed and -manufactured back-vented, long-excursion, 18-inch cone drivers. Each driver has a 4-inch voice coil and is rated to handle 1200 AES watts. The drivers have also been engineered for extreme efficiency, using high-gauss neodymium magnets for the most powerful magnetic field strength. High magnetic field strength increases the driver's sensitivity, which yields greater output, while keeping heat dissipation requirements within operational tolerances.


Operating Frequency Range 28 Hz - 150 Hz
Free Field Frequency Response 30 Hz - 125 Hz ±4 dB
Phase Response 45 Hz - 145 Hz ±30°
Maximum Peak SPL 139 dB
Dynamic Range 110 dB
Coverage 360° (single unit); varies with number of units and configuration
Low Frequency Two 18" cone drivers Nominal impedance: 4 Ω Voice coil size: 4" Power-handling capability: 1200 W (AES)
Audio Input Type Differential, electronically balanced
Maximum Common Mode Range ±15 V DC, clamped to earth for voltage transient protection
Connectors Female XLR input with male XLR loop output
Input Impedance 10 kΩ differential between pins 2 and 3
Wiring Pin 1: Chassis/earth through 220 kΩ, 1000 pF, 15 V clamp network to provide virtual ground lift at audiofrequencies Pin 2: Signal + Pin 3: Signal - Case: Earth ground and chassis
DC Blocking None on input, DC blocked through signal processing
CMRR 50 dB, typically 80 dB (50 Hz–500 Hz)
RF Filter Common mode: 425 kHz Differential mode: 142 kHz
TIM Filter Integral to signal processing (
Nominal Input Sensitivity 0 dBV (1 V rms, 1.4 V pk) continuous is typically the onset of limiting for noise and music
Input Level Audio source must be capable of producing a minimum of +20 dBV (10 V rms, 14 V pk) into 600 Ω inorder to produce maximum peak SPL over the operating bandwidth of the loudspeaker
Amplifier Type Two-channel complementary power MOSFET output stages (class AB/H)
Output Power 2250 W (1125 W/channel)
THD, IM, TIM .02%
Load Capacity 4 Ω each channel
Cooling Forced air cooling, two fans (one ultrahigh-speed reserve fan)
AC Power Connector 250 V AC NEMA L6-20 (twist lock)
Automatic Voltage Selection Automatic, two ranges, each with high-low voltage tap
Safety Agency Rated Operating Range 95 V AC – 125 V AC, 208 V AC - 235 V AC; 50/60 Hz
Turn-on and Turn-off Points 85 V AC - 134 V AC; 165 V AC - 264 V AC; 50/60 Hz
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