Frequency Response -3 dB free field response: 34 Hz to 21 kHz, ± 3 dB 
Pass band free field: 36 Hz to 20 kHz, ± 2 dB
Self-Generated Noise Level < 20 dB(A) at 10 cm (with input gain set to 100 dB for 0 dBu)
Total Harmonic Distortion > 85 Hz (< 0.5 % at 95 dB SPL at 1 m)
Maximum SPL In full space / calculated in half space @ 3% THD @ 1 m: 110.3 / 116.3 dB SPL (averaged between 100 Hz and 6 kHz) 
Short term SPL with IEC-weighted noise (IEC 60286-5) @ 1 m, in typical listening conditions: 113 dB(C) SPL 
Short term SPL with music material @ 2.3 m, in typical listening conditions (pair): 100 dB(C) SPL (full range), 107 dB(C) SPL (with subwoofer) 
Long term SPL with pink noise @ 2.3 m, in typical listening conditions (single/pair): 93 / 99 dB(C) SPL (full range), 94 / 100 dB(C) SPL (with subwoofer)
Bass Capability Maximum SPL in half space @ 3% THD at 1 m: 104.5 dB SPL (averaged between 50 Hz and 100 Hz)
Electronics
Amplifiers Class AB 
Bass: 150 W continuous, 210 W peak 
Midrange: 70 W continuous, 90 W peak 
Treble: 70 W continuous, 90 W peak
Controller Design Analog, active
Crossover Frequencies 650 Hz, 2 kHz
Crossover Slope 24 dB/oct, 4th order
Equalization Bass: 0, ?2.5, ?5, ?7.5 dB 
Low Mid: 0, ?1.5, ?3, ?4.5 dB 
Treble: +1, 0, ?1, ?2 dB
Protection Circuits Independent thermo limiters for woofer, midrange dome and tweeter. Woofer soft clip and excursion limiters
Filter Infrasonic Filter: 15 Hz; 6 dB/octave slope
Input 1x XLR, analog electronically balanced
Impedance > 13 kΩ, electronically balanced
Input Gain Control 0 dBu to ?15 dBu (sensitivity)
Output Level Control 94, 100, 108, 114 dB SPL
CMRR > 56 dB @ 100 Hz to 15 kHz
Maximum Input Level 24 dBu
Indicator Lights Power On: Neumann logo white 
Limit/Clip: Neumann logo red
Power Supply 100-240 V~; 50/60 Hz
Power Consumption Idle: 24 W 
Full Output: W
Mechanics
Finish Cabinet Surface: Painted wood and polyurethane, Anthracite (RAL 7021), Aluminum electronics panel
Baffle Cover: Optional removable metal grille
Operating Temperature 50 to 104°F (10 to 40°C) 
<90% RH, non-condensing
Storage Temperature ?13 to 158° F (?25 to 70° C ) 
<90% RH, non-condensing
Drivers Magnetically shielded 
Woofer: 8.24" (210 mm) 
Midrange: 3" (75 mm) 
Tweeter: 1" (25 mm)
Mounting Configuration 2 x M8 on side panels, depth from outside of cabinet 1" (25 mm) 
Rear panel screws for attaching LH 41 base plate 
Rear panel bracket
Dimensions (HxWxD) 10 x 15.1 x 11.5" (253 x 383 x 292 mm)
Weight 28.6 lb (13 kg)