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Meyer USW-1P Compact Powered Subwoofer

A self-powered subwoofer loudspeaker that provides a flat low-frequency response, the Meyer USW-1P performs well with UPA-P Series self-powered loudspeakers to form full-range reproduction systems, and is also compatible with other Meyer Sound self-powered mid-high loudspeakers.

The Meyer USW-1P compact cabinet satisfies a broad range of installation requirements, housing two 15-inch drivers, each powered by a dedicated channel with a protection limiter which allows high output levels across the drivers' entire frequency range. In addition, the input incorporates a built-in crossover and accepts a full-range signal, allowing for simple daisy-chain signal distribution and eliminating the need for external crossovers.

Applications include theatrical sound reinforcement, surround sound presentations, houses of worship, and portable and installed audio-visual systems.


 Operating Frequency Range    32 Hz - 200 Hz
 Frequency Response    35 Hz - 180 Hz ±4 dB
 Phase Response    45 Hz - 155 Hz ±30°
 Maximum Peak SPL    135 dB
 Dynamic Range    >110
 Coverage    360° single unit; varies for multiple units, depending on number and configuration
 Low Frequency    Two 15" cone drivers Nominal impedance: 4 Ω        Voice coil size: 3" Power-handling capability: 400 W4
 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or VEAM all-in-one  (integrates AC, audio and network)
 Input Impedance    10 kΩ differential between pins 2 & 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 - (optional polarity reversal switch)5 Case: Earth ground and chassis
 DC Blocking    Differential DC blocking up to max common mode voltage
 CMRR    >50 dB, Typically 80 dB (50 Hz - 500 Hz)
 RF Filter    Common Mode: 425 kHz; Differential Mode: 142 kHz
 TIM Filter    
 Nominal Input Sensitivity    0 dBV (1 V rms, 1.4 V pk) continuous is typically the onset of limiting for pink 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
Type   Two-channel complementary MOSFET output stages (class AB/ bridged)
Output Power   550 W total
THD, IM, TIM    
Load Capacity   4 Ω both channels
Cooling   Convection; 24 V DC output for optional external fan
 AC Power    
 Connector    PowerCon
Automatic Voltage Selection   Automatic, continuous range from 90 V AC - 265 V AC
Safety Agency Rated Operating Range   100 V AC - 240 V AC; 50/60 Hz
Turn-on and Turn-off Points   90 V AC on, no turn-off, only fuse protected above 265 V AC7
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