UPJ-1XP : Compact VariO™ Loudspeaker
The UPJ‑1XP, with IntelligentDC technology, offers
the same sonic signature, robust peak power output,
and rotatable VariO horn as the UPJ‑1P, while also
offering the advantages of external DC power,
making it an elegant solution for installations where
AC cabling is not feasible. Powering the UPJ‑1XP
from an external MPS-488HP power supply affords
the flexibility of lengthy cable runs without conduits.
Dimensions 11.15” w x 22.43” h x 12.25” d
(283 mm x 570 mm x 311 mm)
Weight 43 lbs (19.5 kg)
Enclosure Premium birch plywood
Finish Black textured
Protective Grille Powder-coated, hex-stamped
steel, black mesh screen
Rigging Aluminum end plates with M8 threaded
attachment points for mounting and flying
with QuickFly and standard rigging options
The compact UPJ‑1XP was designed for flexibility.
With a simple turn of its 80-degree by 50-degree
VariO rotatable horn, it can provide optimum
horizontal or vertical coverage for any installation.
With its extraordinary size-to-power ratio and
generous rigging options, the UPJ‑1XP is well suited
for use as a single, primary loudspeaker or as
part of multicabinet horizontal and vertical arrays.
Applications include AV presentations, small- to
medium-sized sound reinforcement systems, fill,
delay, effects, and distributed systems.
Designed and manufactured at Meyer Sound’s
factory in Berkeley, California, the UPJ‑1XP’s
transducers include one 10-inch cone driver and
one 3-inch diaphragm compression driver. The
proprietary drivers are powered by an onboard
2-channel, Class-D power amplifier that delivers
300 watts of total burst power.
or sealed ECO‑M 7-pin male. The use of composite
multiconductor cables (such as Belden® 1502 or
equivalent) allows a single cable to carry both
DC power and balanced audio to the UPJ‑1XP.
The loudspeaker’s amplifier and signal-processing
circuits store DC power and tolerate voltage drops,
thereby accommodating light-gauge cables and
lengthy cable runs.
With IntelligentDC technology, the UPJ‑1XP
receives power and balanced audio from a single
loudspeaker connector, available as a Phoenix™
5-pin male, sealed SwitchCraft® EN3™ 5-pin male,
UPJ‑1XP loudspeaker systems require an external
MPS‑488HP IntelligentDC power supply. The rack
mount multichannel power supply can deliver
Features & Benefits
DC power and balanced audio to eight UPJ‑1XP
loudspeakers at cable lengths up to 150 feet with just
1 dB of loss in peak SPL using 18 AWG wire. Longer
cable runs are possible with heavier wire gauges.
The UPJ‑1XP cabinet is coated with a textured black
finish and includes heavy-duty, corrosion-resistant
6061‑T6 aluminum end plates with threaded M8
attachment points for basic eyebolt rigging and
third-party pole assemblies. QuickFly® rigging
options include the MAAM‑UPJ array adapter (also
made from 6061‑T6 aluminum), MUB‑UPJ U-bracket,
and MYA‑UPJ mounting yoke assembly. Other
options include weather protection, custom color
finishes, and cabinets without handles.
IntelligentDC technology affords the flexibility
of lengthy cable runs without conduits
Constant-Q horn affords uniform response
throughout coverage area
Exceptional fidelity and extended highfrequency performance
VariO horn allows loudspeakers to be
oriented horizontally or vertically
Extraordinarily flat amplitude and phase
responses for tonal accuracy and precise
With QuickFly rigging can be mounted as
a single cabinet or flown in multicabinet
horizontal and vertical arrays
Portable and installed AV systems
Theatrical sound reinforcement
Compact voice reinforcement systems
Conference centers, presentations,
ballrooms, and houses of worship
Preliminary Specifications
Operating Frequency Range1
Maximum Peak SPL2
Voltage Requirement
Audio/Power Connector
Input Impedance
Nominal Input Sensitivity
Output Power
55 Hz – 20 kHz
128 dB
80° x 50° or 50° x 80° (rotatable horn)
One 10” cone driver
One 3” compression driver
48 V DC (MPS-488HP IntelligentDC external power supply)
Phoenix 5-pin male, sealed SwitchCraft EN3 5-pin male, or sealed ECO-M
7-pin male (two pins for DC power, three pins for balanced audio)
10 kΩ differential between positive (+) and negative (–) audio pins
0 dBV (1.0 V rms, 1.4 V peak) continuous average is typically the onset
of limiting for noise and music
Two channels (Class-D)
300 W total
4 Ω low channel, 16 Ω high channel
1. Recommended maximum operating frequency range. Response depends on loading conditions and room acoustics.
2. Measured with music, referred to 1 meter.
Copyright © 2014
Meyer Sound Laboratories Inc.
All rights reserved
meyer sound laboratories inc.
2832 San Pablo Avenue
Berkeley, CA 94702
T: +1 510 486.1166
F: +1 510 486.8356
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