Harman Professional Small Classrooms Audio System - Gold Bundle
Audio System Bundle for Small Classroom
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The Harman Professional Classroom Audio System Gold Bundle is a premium, high-performance audio solution designed for classrooms, lecture spaces, training rooms, and multi-purpose teaching environments requiring enhanced clarity, coverage, and bass reinforcement. Combining four JBL SLP14/T on-wall loudspeakers with a JBL Control 50S/T subwoofer, a powerful Crown CTD-2125 amplifier, intuitive BSS EC-4BV wall control, and a flexible BSS Soundweb London BLU-50v2 DSP processor, this bundle delivers exceptional speech intelligibility, rich musical playback, and robust system control suited for modern learning spaces.
Key Features
- High-Performance Classroom Audio: A complete loudspeaker, subwoofer, DSP, amplifier, and wall-control solution engineered for professional educational environments.
- Enhanced Clarity & Room Coverage: Four JBL SLP14/T on-wall speakers deliver wide 140° × 120° dispersion for consistent intelligibility across the room.
- Integrated Low-Frequency Reinforcement: The JBL Control 50S/T subwoofer adds powerful, clean bass for multimedia, presentations, and hybrid learning.
- Professional DSP & System Management: The BSS BLU-50v2 provides configurable processing, input management, filtering, and system optimisation using HiQnet™ London Architect.
- Reliable, Efficient Amplification: Crown CTD-2125 provides 2 × 125 W with flexible 4/8Ω or 70/100V capability and built-in DSP for speaker matching.
- Simple User Control: The BSS EC-4BV wall controller enables easy source and volume adjustments for teachers and presenters.
- Scalable & Installation-Friendly: Compact enclosures, wall or rack mounting options, and installer-friendly connectivity make deployment fast and flexible.
Specifications
A sleek, low-profile JBL on-wall loudspeaker delivering wide dispersion and excellent clarity for speech and multimedia applications. Ideal for distributed classroom audio systems.
| Frequency Range (−10 dB) | 70 Hz – 20 kHz |
| Frequency Response (±3 dB) | 80 Hz – 18 kHz |
| Power Rating | 50 W continuous pink noise / 100 W program |
| Sensitivity | 85 dB (half-space) @ 1 m |
| Maximum SPL | 108 dB peak |
| Nominal Coverage | 140° horizontal × 120° vertical |
| Transformer Taps | 70V: 25 / 12.5 / 6.3 / 3.2 W; 100V: 25 / 12.5 / 6.3 W |
| Nominal Impedance | 8 Ω (THRU mode) |
| Drivers | 4.5" polypropylene cone woofer + 0.79" titanium dome tweeter |
| Enclosure | Polycarbonate + ABS, fireproof, paintable |
| Environmental | IP44 rating with included terminal cover |
| Dimensions (W × H × D) | 286 × 263 × 100 mm (11.3 × 10.4 × 3.9 in) |
| Colour Options | Black or White |
| Weight | 2.8 kg (6.2 lb) each |
A compact, powerful 8" subwoofer providing warm, full low-frequency support for teaching, multimedia playback, and hybrid learning applications.
| Frequency Range (−10 dB) | 32 Hz – 200 Hz |
| Frequency Response (±3 dB) | 50 Hz – 150 Hz |
| Power Capacity | 150 W continuous pink noise / 300 W program (2 hrs) |
| Nominal Sensitivity | 95 dB (near corner), 89 dB (centre of wall) |
| Rated Maximum SPL | 121 dB peak (near corner) |
| Nominal Impedance | 8 Ω (bypass/through) |
| Transformer Taps | 80 W, 40 W, 20 W, 10 W (70V); plus 8 Ω bypass |
| Driver | 8" polypropylene cone, butyl rubber surround, 1.5" 4-layer copper-clad coil |
| Dimensions (H × W × D) | 356 × 391 × 203 mm (14.0 × 15.4 × 8.0 in) |
| Net Weight | 9.0 kg (20 lb) |
A compact 2-channel power-sharing amplifier delivering 2 × 125 W at 4/8Ω or 70/100V with built-in DSP and Dante compatibility for advanced system performance.
| Channels | 2 |
| Rated Power (all channels driven) | 125 W × 2 @ 4/8Ω or 70/100V |
| Rated Power (single channel driven) | 250 W × 1 @ 4/8Ω or 70/100V |
| Frequency Response | 20 Hz – 20 kHz (±0.5 dB) |
| THD+N | ≤ 0.1% (1 dB below rated power) |
| Signal-to-Noise Ratio | 104 dB (A-weighted) |
| Input Impedance | 20 kΩ, balanced |
| Inputs | 3.5 mm Phoenix terminal block (analog), dual RJ45 Dante/AES67 |
| Speaker Outputs | 5.08 mm Phoenix terminal block |
| Power Supply | 100–240 VAC, 50/60 Hz, universal supply |
| Dimensions (D × W × H) | 358 × 220 × 43 mm (14.1 × 8.6 × 1.7 in) |
| Weight | 2.9 kg (6.4 lb) |
A flexible 4 × 4 DSP processor with configurable open-architecture signal processing, BLU link digital audio bus, logic I/O, and PoE+ power support.
| Analog Inputs | 4 balanced mic/line, Phoenix Mini Combicon; gain 0–48 dB in 6 dB steps, 48 V phantom power |
| Analog Outputs | 4 balanced, Phoenix Mini Combicon, +20 dBu max level |
| Frequency Response | 20 Hz – 20 kHz (±1 dB) |
| Dynamic Range | > 110 dB (A-weighted) |
| Digital Audio | 48-channel BLU link, low-latency, fault-tolerant bus |
| Control I/O | 12 control inputs, 6 logic outputs, RS-232, Ethernet |
| Power | 12–48 VDC or PoE+ via Ethernet |
| Dimensions (H × W × D) | 41 × 219 × 197 mm (1.625 × 8.63 × 7.75 in) |
| Weight | 1.28 kg (2.82 lb) |
The BSS EC-4BV is a wall-mounted Ethernet controller offering a rotary encoder with LED ring and push function plus four buttons, typically used for volume control, source selection, and preset recall in Soundweb London systems.
Bundle Includes
- Loudspeakers: 4 × JBL SLP14/T
- Subwoofer: 1 × JBL Control 50S/T
- Amplifier: 1 × Crown CTD-2125
- DSP: 1 × BSS BLU-50v2
- Wall Control: 1 × BSS EC-4BV
Application Examples
| Classrooms & Lecture Spaces | High clarity, consistent coverage, and strong low-frequency support. |
| Training & Seminar Rooms | Professional audio for speech, presentations, and hybrid learning. |
| Multipurpose Teaching Spaces | Flexible DSP routing and control for varied educational uses. |
| Media-Rich Learning Environments | Subwoofer-enhanced playback for video, music, and interactive content. |
The Harman Professional Classroom Audio System Gold Bundle provides a premium, highly controllable audio experience tailored for modern educational environments. With JBL loudspeakers, Crown amplification, and BSS digital processing and control, it delivers powerful, refined, and reliable performance every day.