DATA SHEET: VP-2421 POWER AMPLIFIER (1 x 420 W)
The VP-2421 is a high-performance, single-channel power amplifier engineered for robust PA/VA (Public Address/Voice Alarm) frameworks, conforming fully to EN 54-16 safety standards. Operating as a 2-RU rack unit, it delivers 420W of clean continuous power and features an integrated modular slot optimized for localized input customization. It is explicitly designed to serve either as a primary high-power zone driver or an ultra-fast emergency standby amplifier for mission-critical failover infrastructure.
SYSTEM VARIANTS AVAILABLE FOR SKYRS PAKISTAN
SKYRS supplies and services all global equipment variances of the VP-2000/VM-3000 high-power family across localized commercial grids in Pakistan:
VP-2421 Standard Module: Base high-performance 420W mainframe pre-configured with standard 28V DC industrial power interface blocks.
VP-2421 INCL: Premium comprehensive variant delivered with a pre-fitted VP-200VX Power Amplifier Input Module for immediate line-level installation.
VP-2421 BGM Configuration: Tailored configuration variant combining the mainframe with a specialized VP-200VX-BGM input module to support simultaneous localized background music overrides.
TECHNICAL SPECIFICATIONS
| Parameter | Specification Details |
| Configuration | 1 Channel × 420 W rated output power |
| Power Source | 28V DC (Safe operational window: 20V to 40V DC) |
| Current Consumption | 0.03 A (Standby mode) | 7.6 A (1/8 rated load) | 29 A (Max rated peak load) |
| Output Voltage Lines | 100V Standard (70V and 50V configurations selectable via internal wiring) |
| Minimum Impedance | 24 Ω (at 100V) | 12 Ω (at 70V) | 6 Ω (at 50V) |
| Total Harmonic Distortion | 1% or less (at 1 kHz rated output) |
| Frequency Response | 40 Hz to 16 kHz, ±3 dB (at 1/3 rated output) |
| Signal-to-Noise Ratio | 80 dB or more |
| Physical Footprint | 19-inch standard rack width × 2 RU height (482 × 88.4 × 340.5 mm) |
| Mass Weight | 9.5 kg |
DEPLOYMENT, INSTALLATION, AND CONFIGURATION
SKYRS offers exclusive system integration and full lifecycle technical coverage for the VP-2421 platform nationwide:
Deployment
The high-output capability makes this unit the prime deployment choice for sprawling, high-ambient-noise zones including large industrial factory floors, regional airports, power generation plants, and major commercial plazas throughout Pakistan.
Installation
Rack-Mount Mechanics: The chassis is directly bolted into 19-inch industrial enclosures, requiring 2 units (2 RU) of vertical clearance. Cross-flow, temperature-controlled internal cooling fans dictate that intake airways remain unblocked.
Power Supplies: Relies cleanly on external 28V DC power managers (such as VX-2000DS or specialized industrial battery banks) via heavy-duty M4 screw terminal blocks to enforce true uninterrupted emergency functionality.
Speaker Links: Terminated directly onto rear M3.5 barrier strip terminals to prevent accidental line shorts or loose infrastructure contacts.
Configuration
Input Module Integration: Setting up the channel requires seating either a VP-200VX or a VP-200VX-BGM input card into the dedicated rear module slot.
Voltage/Impedance Matching: Line matching transformations (100V down to 70V/50V) are handled via precision internal tap jumpers depending on network speaker calculations.
Intelligent Standby Logic: Programmed through system management software (linking via VM-3000 or SX-2000 frameworks) to trigger a low-power standby mode during idle periods, dropping current draw to a fraction of normal operation and recovering in under 0.5 seconds when an emergency broadcast is initiated.
AVAILABILITY NOTICE
Procurement & Service Notice: Turnkey technical design, engineering deployment, authorized regional installation, software programming, and genuine factory parts warranty support for the VP-2421 Power Amplifier family in Pakistan are exclusively available through SKYRS corporate channels.
