This tone board includes 10 times preamplifier and treble, midrange, bass, and volume control Reasonable circuit board wiring, low noise, beautiful component layout Product name: NE5532/ jrc4558 preamp tone board Product model: Ink-preamp-BT Power supply voltage double: 12VAC-15VAC (the double 12V-10-12v Channel type: dual channel Adjustment type: four channels (Master, treble, midrange and bass) Audio output: 3P terminal block Power input: 3P terminal block
| Brand | IOTaudios |
| Manufacturer | InkOcean Technologies Pvt Ltd |
| Model | Ink-preamp-BT |
| Model Name | Ink-preamp-BT |
| Item model number | Ink-preamp-BT |
| Compatible Devices | Double Bass |
| Amplifier Type | Solid State |
| Power Source | Corded Electric |
| Speaker Output Channel Quantity | 2 |
| Manufacturer | InkOcean Technologies Pvt Ltd |
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