24 • English ArenaMatch Utility • Installation Guide
PRO.BOSE.COM
Technical Specifications
AMU208
System Performance
Frequency Response (±3 dB)
1
80 Hz to 16 kHz
Frequency Range (–10 dB) 70 Hz to 16 kHz
Nominal Coverage Pattern (H × V) 90° 60° (rotatable high-frequency horn)
Recommended High-pass Filter 70 Hz with minimum 12-dB/octave filter
Crossover Passive; separate bandpass filters per transducer (200 Hz and 1.2 kHz)
70V/100V transformer tap settings 70V: 5W, 10W, 20W, 40W, 80W; 100V: 10W, 20W, 40W, 80W
Bose Extended Lifecycle Test
2
AES Transducer Test
3
Power Handling, long-term continuous 300 W 400 W
Power Handling, peak 1200 W 1600 W
Free Field Wall/Ceiling Free Field Wall/Ceiling
Sensitivity (SPL / 1 W @ 1 m)
4
94 dB 96 dB 94 dB 96 dB
Calculated Maximum SPL @ 1 m
5
119 dB 121 dB 120 dB 122 dB
Calculated Maximum SPL @ 1 m, peak 125 dB 127 dB 126 dB 128 dB
Transducers
Low Frequency 2 Bose LF8 high-excursion 8-inch woofer (2-inch voice coil)
High Frequency 1 × Bose EMB2S titanium-diaphragm, neodymium compression drivers (2-inch voice coil)
Nominal Impedance 8 Ω
Physical
Enclosure Material Exterior-grade birch plywood
Finish Two-part polyurethane coating, black or white
Grille Powder-coated perforated stainless steel, acoustic foam, stainless steel mesh
Environmental Rated for direct-exposure outdoor installations (IEC 60529: IP55)
Connectors 1 barrier strip (accepts 10 to 18 wire gauge)
Suspension/Mounting 3 M8 threaded inserts for U-bracket (per side); 4 M8 threaded inserts on rear surface
(12770mm, 4-bolt pattern)
Dimensions (H × W × D) – millimeters 235 713 316 with U-bracket
Dimensions (H × W × D) – inches 9.3 28.1 12.4 with U-bracket
Net Weight (loudspeaker only) 17.0 kg (37.5 lb)
Net Weight (with U-bracket) 19.5 kg (43.0 lb)
Shipping Weight 23.1 kg (51.0 lb)
Accessories Included steel U-bracket; optional pan-and-tilt bracket
Footnotes
1. Frequency response and range measured on-axis in anechoic environment with recommended bandpass and EQ.
2. Bose extended-lifecycle test using pink noise filtered to meet IEC268-5, 6-dB crest factor, 500-hour duration.
3. AES standard 2-hour duration with IEC system noise.
4. Sensitivity measured in anechoic environment with recommended bandpass and EQ.
5. Maximum SPL calculated using sensitivity and power ratings, exclusive of power compression.