SP-1812AP SP-158AP SP-K615AP SP-K618AP SP-1563AP SP-156AP
SP-155AP SP-115APM SP-112APM SPM-155AP SPM-152AP SPM-122AP

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Plug and play, the unique SP112APM is full-range 2-way 300W mix amplified trapeziodal enclouser with 12” SK12250 drivers vented for provides extended bass response.The amplifiers STK STANDARD power module,very low THD with 3 band equalizers and the mixer module includes one for microphone channel and a dual-bridging CD/AUX input channel.
There are out puts for additional powered units or for a extension passive speaker. Use "Junior" anywhere,from stage monitor purpose with speeches to stage sound to school assemblies.

  • 2-Way Active full-range Monitor Speaker system.
  • The one inch” SK30STN high frequency drivers on a SABS3 Horn.
  • An internal passive crossover network Frequency is 2.5kHz 12dB/octave.
  • The STK “circuit pro” protects to the high-frequency driver from accidental overload.
  • The cabinet design of the SP112APM allows use in an upright position,as an angled monitor or on a standard speaker stand.
  • The enclosure construction: By STK “STANDARD”
  • Ultra tough, the scratch proof warnex texture coated.
  • 35mm pole mount receptacle on the bottom.
  • STK pole and speaker stand option.
Model SP-112APM
System configuration Powered 2-Way Full Range
LF Components & Loading One SK 12250 12" Vented
HF Components & Loading One 1" voice coil compression driver(SK25STN)
Operating Mode Active
Frequency Response  
±3 dB 70Hz ~ 18kHz
-10 dB 53Hz ~ 19KHz
Axial Sensitivity(dB SPL, 1 watt @ 1m) 100
Nominal Input Impedance(ohms) 4-8
Power Handling(Watts, Continuius) 250
Power Handling(Watts, Peak) 1000
Calculated SPL Limit(Referenced to 1 m)  
Peak 130
Long Term 124
Norminal Dispersion(degree@-6dB)  
Horizontal 65 °
Vertical 65 °
Optional Accessries STK Pole "SPM35130", STK Stand "ST6180"
( ±0.13 inch / ±3 mm)
Height 564
Front width 420
Rear width 120
Depth 397
Shipping/CBM 0.174
Net weight 22kg
Shipping weight 25kg
Output Power  
4 ohm 300W
8 ohm 200W
Frequency Response
20Hz ~ 20kHz
THD 20Hz~30kHz ≤0.05%
Hum & Noise ≥70 dB
Input Sensitivity MIC: -50dBm/XLR
CD/Tape: 0 dBm/Stereo RCA
Line: -10 dBm/XLR, TRS 1/4"
Equalizer(+/-12dB) High: 10 kHz
Mid: 2.5 kHz
Low: 100 Hz
Damping Factor ≥300
Input impedance 1k ohm
Connectors Input XLR, Stereo RCA, 1/4" Phone
Connector output Neutrik Type Speakon(Amp) for EXT Speaker use
XLR/TS 1/4" Phone(Line out)
Power Requirements 250 Watts
Special Features 1. Peak LED, Power LED
2. Convenction Cooling
3. Full Circuit Proection
*Specifications subject to change without notice.
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