
Specifications
Weight
Net Weight
6.5 lbs (2.9 kg)
Shipping Weight
16.8 lbs (7.65 kg), pair packed
Electrical
Rated Impedance
8 ohms
Audio
Transformer Taps
70V: 30, 15, 7.5, 3.75W and 8Ω bypass, 100V: 30, 15, 7.5W and 8Ω bypass
Connectivity
Input Connector Type
Euroblock connector with parallel output terminals
Construction
Enclosure Material
Painted ABS polymer
Grille Material
Powder coated aluminum
X-Mount Material
Powder coated aluminum
Included Items
AD-S4T 4.5-Inch Surface Mount Speaker
2x
Shipping
Shipping Dimensions (HxWxD)
15.5x10.3x18" (394x261x458mm), pair packed
General
Effective Frequency range1
68 Hz - 20 kHz
Rated Noise Power / voltage2
50 watts / 20 volts (rms)
Broadband sensitivity3
87 dB SPL
Coverage Angle (-6 dB)
120° conical DMT™
Directivity Factor (Q)
6
Directivity Index
8 dB
Maximum Continuous SPL4
104 dB
Maximum Peak SPL4
110 dB
Recommended Amplifier Power (loudspeaker "program" power)
100 watts
HF Transducer
0.75-inch silk dome tweeter / 0.75-inch voice coil, horn loaded
LF Transducer
4.5-inch weather resistant paper cone woofer, 1-inch / 25 mm voice coil
Ingress Protection
IP-54
Operating Environment
Designed for indoor and outdoor use
Testing
The AD Series loudspeakers qualified for outdoor use using the following tests:, Salt fog: MIL-STD-810G Method 509.5 for 100 hrs., Humidity: MIL-STD-810G Method 507.5, Natural cycle B2, cyclic high RH for 7 days, High and low temperature: tested to QSC internal standards between -20° and 50°C
Product Dimensions (HxWxD)
10.3x6.34x6.42" (261x161x163mm)
Notes
1 Free-field, -10 dB from on-axis sensitivity, 2 IEC60268-1 noise signal for 2 hours, 3 On-Axis, free-field sensitivity, 2.83V, 1 m, 4 Calculated from rated noise voltage and sensitivity
70V
30, 15, 7.5, 3.75W and 8Ω bypass
100V
30, 15, 7.5W and 8Ω bypass
Salt Fog
MIL-STD-810G Method 509.5 for 100 hrs.
Why Choose SoundPro?
Since 1972, SoundPro has been the trusted source for audio, video, and lighting gear. Whether you're starting your AVL journey or are a seasoned professional, we're here to help you every step of the way.