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- Behringer MIX800 MiniMIX Compact 2-Channel Karaoke Processor
- Ultra-Compact Karaoke Processor with Voice Canceller and Echo/Reverb Effects
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- Boss VE-2 Vocal Harmonist Multi-Effects Pedal
- Battery-powered Portable Vocal Processor with 24 Harmonies, Reverb, Delay, and Additional Studio-style Processing
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- Alesis MidiVerb 4 Audio Processor Efek Vokal Digital
- Dual-Channel Parallel Processor
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- Nakamichi NSX D15 Prosesor Karaoke Digital
- Karaoke Processor dengan DSP, EQ, Key control
