Contacta V15a+ Dual-Output Phased-Array Hearing Loop Driver
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V15a+ Overview
Two outputs for a phased-array loop layout
Contacta V15a+ combines two constant-current outputs with an integral phase shifter. It is designed for phased-array hearing loops in small and medium-sized facilities where spill control or room geometry requires two coordinated loop feeds.
Dual Class-D output stages
Contacta specifies two phase-shifted outputs, each capable of 5 Arms at more than 15 Vrms. The integrated phase relationship is the primary functional difference from the single-output V15+ and must match the designed master and slave loop geometry.
What must be designed before ordering
Establish loop aspect ratio, segment width, conductor type, metal loss, listening height and required overspill control. Coverage tables are conditional examples, not a promise that every room of the same area will meet IEC 60118-4.
Commission both channels
Measure each loop circuit, verify phase-array wiring, set current and high-frequency compensation, then test field strength and frequency response across the listening area and outside the intended boundary. Preserve the measurements and fault-monitoring results with the handover record.
Official sources: Contacta V15a+ product sheet, Contacta hearing-loop catalogue and Contacta installation and user guide.
V15a+ Specification
| Exact model / SKU | V15a+ |
| Exact model | Contacta V15a+ |
| Output topology | Two loop outputs with integral phase shifter |
| Application | Phased-array hearing loop system |
| Output stages | 2 x 5 Arms at more than 15 Vrms |
| Venue guidance | Small and medium-sized facilities, subject to engineered loop design |
| Included driver functions | DSP control, AGC, metal-loss compensation and diagnostics |
| Commissioning focus | Verify both loop circuits, phase relationship and IEC 60118-4 field performance |
| Comparison | Not interchangeable with the single-output V15+ |
| Source match | Contacta official V15a+ documentation defines the dual-output phased-array architecture, output capability, DSP features and engineered coverage conditions |
| Official manufacturer reference | Contacta Official V15a+ Product Sheet |
V15a+ Warranty
 | Product Quotation |  | Condition and Packaging |
 | Return Eligibility |  | Returns and Replacement |
 | Shipping Arrangements |  | Warranty Terms |
V15a+ FAQ
What is V15a+?
Contacta V15a+ Dual-Output Phased-Array Hearing Loop Driver is a Contacta IT hardware product supplied by YYST Global for enterprise IT procurement and infrastructure projects.
Is V15a+ available from YYST Global?
Contact YYST Global to confirm availability for V15a+, the required quantity, exact configuration, delivery destination and current lead time before ordering. A product listing does not confirm current inventory.
What is the price of V15a+?
The current reference price for V15a+ is US$ 950.00. Final pricing can change based on stock, quantity, configuration and delivery destination.
What should buyers verify before ordering V15a+?
Confirm the exact model suffix, interfaces, power option, software or licenses, included accessories, new factory sealed, warranty and destination requirements before ordering V15a+.
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