• Advanced LSR Linear Spatial
• Reference Design provides neutral off-axis response for greater clarity at the mix position
• Automated RMCTM Room Mode
• Correction system with calibration microphone measures and automatically compensates for low frequency standing waves and boundary conditions
• Harman HiQnetTM Network Protocol enables system-wide control of level, EQ, input selection, solo and more
• Wireless remote control and LSR4300
• Control Center Software enable control from the listening position
• AES/EBU, S/PDIF digital inputs
• Balanced analog input with selectable +4dBu / -10 dBV sensitivity
• Bi-amplified design eliminates the need for external amplification
• Front panel output meter with variable brightness displays signal level
• Custom designed, self-shielded transducers with neodymium motor structures for exceptional transient response and superb power-handling
• Integrated mounting points allow
• wall mounting for greater placement options
• Built-in handles facilitate optimum positioning
• Low and High Frequency Equalization with factory presets allows tailoring of response to preference, or acoustic conditions in the room

• Frequency Response: (+/- 1.5 dB): 55Hz—20kHz
• Enclosure Resonant Frequency: 52Hz
• Low Frequency Extension: User controls set to default
• -3 dB: 47 Hz — 22 kHz
• -10 dB: 39 Hz — 32 kHz
• Low-High Frequency Crossover: Digital Crossover: 2.4kHz, 8th order LR LF/4th order BW HF
• Distortion, 96dB SPL,
• 1 m: Mid-High Frequency
• (200 Hz - 20 kHz)
• 2nd Harmonic: <0.4%
• 3rd Harmonic: <0.3%
• Low Frequency (<200 Hz)
• 2nd Harmonic: <0.8%
• 3rd Harmonic: <1.4%
• Measured Maximum Continuous SPL : 106dB / 1m
• Measured Maximum Peak SPL: 112dB / 1m
• Maximum Peak SPL Per Pair: 118dB SPL / 1m
• Low Frequency Model: 436H
• Diameter: 159 mm (6-1/4")
• Voice Coil: 1.5" (38 mm)
• Magnet Type: Neodymium
• Cone Type: Polymer coated paper fiber
• Impedance: 8 ohms
• High Frequency Model: 431G
• Diameter: 25mm (1 in) diaphragm
• Voice Coil: 1" (25 mm)
• Magnet Type: Neodymium, shielded with integral heat sink
• Diaphragm Type: Silk Dome
• Other Features: Elliptical oblate spheroidal waveguide
• Impedance: 4 ohms
• Amplifier:
• Low Frequency Topology: Class A-B Monolithic, Balanced
• Sine Wave Power Rating: 150 watts (<0.1% THD into rated impedance)
• THD + N, _ Power: <0.02%
• High Frequency Topology: Class A-B Monolithic
• Sine Wave Power Rating: 70 watts (<0.1% THD into rated impedance)
• THD + N, _ Power: <0.02%
• AC Input Voltage: 115 VAC, 60 Hz (230VAC, 50 Hz — models LSR4328P/230 and
• LSR4326P/230)
• AC Input Connector: IEC
• Self-Generated Noise Level: <13 dBA / 1m tonal artifact-free noise floor using analog input
• 1/8TH Power Rating: 13 watts LSR4326P
• Full Power Rating (100 hrs. IEC 58 watts IEC Pink Noise LF Channel Only
• pink noise, 6dB crest Factor):
• Wattage Rating: AC at 1/8th power IEC Pink Noise 60 watts
• Maximum Current: AC at maximum power output (audio)
• 120V AC line 2.2A (LSR4328P, LSR4326P)
• 230V AC line 1.1A (LSR4328P/230, LSR4326P/230)
• Fuse Value: 5A, 250VAC, Time Lag (LSR4328P, LSR4326P)
• 2.5A, 250VAC, Time Lag (LSR4328P/230, LSR4326P/230)
• Inputs and Outputs
• Analog XLR IN: Selectable +4 dBu/-10 dBV; Input Impedance 10K.
• Positive voltage applied to XLR pin 2 produces outward woofer
• motion
• 1/4-in tip-ring-sleeve IN: Balanced or unbalanced, Selectable +4 dBu/-10 dBV; Input impedance 20K. Positive voltage applied to 1/4" tip produces
• outward woofer motion
• AD Converters: 96kHz, 24 Bit, 64x Over sampling
• Calibrated Input Sensitivity,
• Analog XLR & 1/4":
• +4 dBu: 94 dB SPL / 1 m
• -10 dBV: 94 dB SPL / 1 m
• Digital XLR IN: AES/EBU(IEC60958)
• XLR OUT: AES/EBU(IEC60958)
• RCA IN: S/PDIF , (EIAJ CP1201)
• RCA OUT: S/PDIF (EIAJ CP1201)
• Digital Input Sample Rates: 96k Hz, 88.2 kHz, 48 kHz, 44.1 kHz, 32 kHz. Tolerance: +/- 3%
• Digital Input Word Length: 24 Bit
• RMC Microphone Input 1 8" tip-ring-sleeve; powered +15 Volts on tip.
• (Use supplied microphone only)
• Network Connection: RJ45 IN, RJ45 OUT
• Network Protocol: Proprietary Harman HiQNetTM Protocol using RS485
• Computer Interface: USB Type 1
• Front Panel Controls: ON, SOLO, RMC, EQ ON, LF, HF, PRESET, INPUT, +/-
• RMC Functions: Start, Bypass
• RMC Filter Range: 73 Frequencies (1/24th octave centers) between 20Hz to 160Hz, with a variable Q from 1 (1.4 octave bandwidth) to 16
• (1/11th octave bandwidth, and from 3 to 12 dB of attenuation.
• LF EQ: Factory Default: 500Hz Shelf, +/- 2dB in _ dB increments.
• 137 corner frequencies between 19.7 Hz and 1kHz accessible
• via LSR4300 Control Center Software
• HF EQ: Factory Default: 2kHz Shelf , +/- 2dB in _ dB increments 104
• corner frequencies between 1kHz and 20.2 kHz accessible via
• LSR4300 Control Center Software
• PRESET: 1-6 Factory/User plus NULL. Recall only.
• STORE possible using LSR4300 Control Center Software.
• INPUT Selection: Analog (XLR / 1/4")
• S/PDIF A, B
• AES/EBU A, B
• +/- Default: System Volume Control: 0 dB to -
• Secondary functions: Increment/decrement value of selected
• function
• Rear Panel Controls: Input sensitivity +4dBu/ -10dBV
• Eight SPEAKER ID DIP switches: Left, Right, Center, Left
• Surround, Right Surround, Center Surround, Left Extra,
• Right Extra
• Additional Controls via LSR4300 DIM (-12dB at full volume), System MUTE, Preset STORE;
• Control Center Software: LOAD Configuration, SAVE Configuration; Level TRIM +3 dB to — 10 db in 1/4dB increments
• Front Panel Display: 31 LED Segments for dBFS and indication of settings
• Front Panel Meter: -70 dBFS to 0 dBFS plus CLIP
• Rear Panel Indicators: 5 LEDs indicate active input & digital stream selection
• Physical Finish: Dark graphite
• Handles: 2, flush mounted on sides
• Mounting: 4 threaded mounting points conforming to industry standard
• square pattern, 107.9 mm x 50.8 mm (4 1/4" x 2" ) center to
• center
• M6 metric threads. Not for Suspension! Only placement
• on bracket
• Low Frequency Vent: Rear ported linear dynamics aperture
• Baffle Construction: Injection-molded structural ABS
• Enclosure Construction: 19mm (3 4") MDF
• Net Weight: 13 kg (28-1/2 lbs.)
• Dimensions: (9.3"W x 15.25H" x 10.3D")

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