
S400a
PRODUCT FEATURES
Three transducers two way active full range plastic speaker.
Two 4 inch High sensitivity, dynamic woofer.
One 25mm silk dome compression tweeter.
120 X120 dispersion .
We adopt electronic protection on crossover configuration.
It is suitable for shop, super market, coffee bar commercial background music and all kinds of
meeting rooms, personal multi-media music monitor and so on.
The special mounting bracket is available for fixed installation, the minimum adjustable
vertical angel can be 10
SPECIFICATION
Components
HF 1 25mm
Frequency response (-3dB)
Max SPL
Crossover Point (DSP)
Dispersion (H x V)
Input Impedance
Input Sensitivity
Tone adjustment range
Connector type
Power supply
Power (RMS)
Harmonic distortion
N.W
G.W
Cabinet dimension (W x H x D)
Package dimension (W x H x D)
LF 4" 2
100Hz-20KHz
118dB
2KHz
120 120
Unbalanced10K
Line 500mV
12dB
XLR J3P / XLR K3P
AC 115V/230V, 50Hz/60Hz
100W
3
6kg
7kg
182 320 182mm
230 375 230mm
1

S400a
FREQUENCY RESPONSE
1 0 0
dBS
9 0 108
8 0 36
7 0
6 0 - 108
5 0 - 180
50 100 200 500 1k 2k 5k 10k 20k20 Hz
180
D e g
- 36
PHASE RESPONSE
1 4 0
Deg
1 1 0
8 0
5 0
2 0
- 1 0
50 100 200 500 1k 2k 5k 10k 20k20 Hz
180
D e g
108
36
- 36
- 108
- 180
2

S400a
WATERFALL
0
dB
- 5
0
ms
THD
100.0
dBSPL
90.0
80.0
- 10
- 15
- 20
- 25
2 00 50 0
1K
1.5
3.0
4.5
2K 5K 1 0K 2 0K1 50 Hz
180
D e g
108
36
70.0
60.0
50.0
20 50 100 200 500 1k 2k 5k 10k 20k20 Hz
Frequency Response
2nd Distortion
3
- 36
- 108
- 180
3rd Distortion

S400a
HORIZONTAL DIRECTIVITY
The data of S400a horizontal directivity were collected by testing the speaker system in a big anechoic
chamber.
0
330
300
270
240
210
30
60
90
120
150
180
330
300
270
240
210
0
30
60
90
120
150
180
330
300
270
240
210
0
30
60
90
120
150
180
100Hz 160Hz 200Hz
0
330
300
270
240
210
30
60
90
120
150
180
330
300
270
240
210
400Hz
0
180
630Hz
30
60
90
120
150
330
300
270
240
210
0
180
1.0kHz
30
60
90
120
150
0
330
300
270
240
210
30
60
90
120
150
180
330
300
270
240
210
1.6kHz
0
330
300
270
240
210
30
60
90
120
150
180
330
300
270
240
210
6.3kHz
0
180
2.5kHz
0
180
30
60
90
120
150
30
60
90
120
150
330
300
270
240
210
330
300
270
240
210
0
180
3.15kHz
0
180
10kHz 16kHz
30
60
90
120
150
30
60
90
120
150
The scale is stepped by 6dB increment.
4

S400a
VERTICAL DIRECTIVITY
The data of S400a vertical directivity were collected by testing the speaker system in a big anechoic
chamber.
0
330
300
270
240
210
30
60
90
120
150
180
330
300
270
240
210
0
30
60
90
120
150
180
330
300
270
240
210
0
30
60
90
120
150
180
100Hz 160Hz 200Hz
0
330
300
270
240
210
30
60
90
120
150
180
330
300
270
240
210
400Hz
0
180
630Hz
30
60
90
120
150
330
300
270
240
210
0
180
1.0kHz
30
60
90
120
150
0
330
300
270
240
210
30
60
90
120
150
180
330
300
270
240
210
1.6kHz
0
330
300
270
240
210
30
60
90
120
150
180
330
300
270
240
210
6.3kHz
0
180
2.5kHz
0
180
30
60
90
120
150
30
60
90
120
150
330
300
270
240
210
330
300
270
240
210
0
180
3.15kHz
0
180
10kHz 16kHz
30
60
90
120
150
30
60
90
120
150
The scale is stepped by 6dB increment.
5

S400a
AMPLIFICATION MODULE
ACTIVE AMPLIFIER
ACTIVE 2 WAY FULL RANGE ELECTRONIC COMPENSATION SPEAKER
1
VOLUME
S400a
POWER: 100W
4
PEAK
5
SIGNAL
2
LINE INPUT
3
115V/230V 50-60Hz
LINE OUTPUT
6
Volume
1.
2. Signal input
3. Voltage Switch
4.
Signal Indicator
5. O
verloading
6. Signal Output
6
Indicator

S400a
LIMITED WARRANTY
If malfunction occurs during the specified warranty period from the date of original purchase,
the product will be repaired or replaced without charge by Elder Audio.
The Limited Warranty does not apply to:
(a)exterior finish or appearance;
(b)certain specific items described in the individual product data sheet or owner's manual;
(c)malfunction resulting from use or operation of the product other than as specified in the
individual product data sheet or owner's manual;
(d)malfunction resulting from misuse or abuse of the product;
(e)malfunction occurring at any time after repairs have been made to the product by anyone
other than Elder Audio Service or any of its authorized service representatives.
To obtain warranty service, customer must deliver proof of purchase of the product in the form
of a bill of sale or receipt invoice.
S400a Speakers and Speaker Systems are guaranteed against malfunction due to defects in
materials or workmanship for a period of three (3) years from the date of original purchase. The
Limited Warranty does not apply to burned voice coils or malfunctions such as cone and/or coil
damage resulting from improperly designed enclosures. Additional details are included in the
Limited Warranty statement.
S400a Accessories are guaranteed against malfunction due to defects in materials or workmanship
for a period of one (1) year from the date of original purchase. Additional details are included in the
Limited Warranty statement.
S400a Flying Hardware (including enclosure-mounted hardware and rigging accessories) is
guaranteed against malfunction due to defects in materials or workmanship for a period of one
(1) year from the date of original purchase. Additional details are included in the Limited Warranty
statement.
Specifications are subject to change without notice.
8