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PIEM Professional InEar monitoring
4-Acoustic has been known for excellent stage and club sound for more than 15 years. Every day 4-Acoustic Sound Systems are used all over the world. 4-Acoustic sound systems are used for large concerts, but also for countless smaller events.
Ground-breaking innovations and constant further development characterize our high-quality audio systems.
With our PIEM InEar Monitor series we bring the unique sound of 4-Acoustic directly into your ear.
Unison GS1 (EAN) CODE: 4260318512244
Sonata GS1 (EAN) CODE: 4260318512251
Harmonie GS1 (EAN) CODE: 4260318512121
Symphonie GS1 (EAN) CODE: 4260318512138
Euphonie GS1 (EAN) CODE: 4260318512145
Melodie GS1 (EAN) CODE: 4260318512114
Technical Details
| Model Name | Unison | Sonata | Harmonie |
|---|---|---|---|
| GS1 (EAN) CODE | 4260318512244 | 4260318512251 | 4260318512121 |
| Driving Unit: | 1 Independent Knowles high frequency balanced armature driver 1 Customized RAB mid low frequency balanced armature driver |
1 Customized 8mm bio-film Dynamic driver 1 Knowles high frequency balanced armature driver |
1 Customized 9mm bio-film Dynamic driver. 1 Knowles high frequency driver. 1 Customized BFK series ultra-high frequency balanced armature driver. |
| Crossover: | 2-Way with 1 frequency divider | 2-Way with 2 frequency dividers | 3-Way with 3 frequency dividers |
| Impedance: | 16Ω | 10Ω | 9Ω |
| Input Sensitivity: | 120dB | 110dB | 114dB |
| Frequency Response: | 5Hz-20KHz | 5Hz-20KHz | 5Hz-20KHz |
| Noise Reduction: | 26dB | 26dB | 26dB |
| Model Name | Symphonie | Euphonie | Melodie |
|---|---|---|---|
| GS1 (EAN) CODE | 4260318512138 | 4260318512145 | 4260318512114 |
| Driving Unit: | 1 Customized 10mm bio-film Dynamic driver 2 Knowles high frequency balanced armature driver 2 Customized BFK series ultra-high frequency balanced armature driver |
1 Customized 9mm bio-film dyn. driver 4 Professionally customized mid frequency balanced armature driver 2 Customized RAB series mid high frequency balanced armature driver 2 Customized WBFK series ultra-high frequency balanced armature driver |
1 Customized 9mm bio-film dyn. driver 4 professionally customized mid frequency balanced armature driver 2 Customized WBFK series ultra-high frequency balanced armature driver 2 SONION EST series electrostatic driver |
| Crossover: | 3-Way with 3 frequency dividers | 4-Way with 4 frequency dividers | 4-Way with 4 frequency dividers |
| EQ settings: | 3 DIP Switches for different EQ settings | 2 DIP Switches for different EQ settings | |
| Impedance: | 8Ω | 18Ω | 16Ω |
| Input Sensitivity: | 128dB | 128dB | 128dB |
| Frequency Response: | 5Hz-20KHz | 5Hz-20KHz | 5Hz-20KHz |
| Noise Reduction: | 26dB | 26dB | 26dB |
