Denon Amplifier & Adastra Speaker PA Bundle for Background Music Outdoor / Indoor

Description:

Bundle includes Denon DN-280 amplifier & 4x Adastra BH3V-B speaker black IP44

This bundle includes four Adastra BH3V-B 100V background speakers, designed for high-quality audio in both indoor and outdoor environments. Featuring a weather-resistant IP44 rating, each speaker delivers clear, full-range sound via a 2-way system with a crossover network. Housed in a durable moulded polypropylene cabinet with an aluminium grille, the BH3V-B is ideal for background music and public address in commercial settings. Rear-mounted spring terminals and a rotary tapping switch are sealed behind a protective cover. Each speaker comes with a pan-and-tilt wall bracket for easy directional mounting.

Features:
Bundle of 4 speakers for distributed sound coverage
High-quality 2-way sound reproduction with crossover
Weather-resistant IP44 rated for outdoor and indoor use
Rear protective cover for tapping switch and terminals
Pan-and-tilt wall mounting brackets included
100V or 16 Ohm operation for system flexibility
Supplied as individual units (4 total)

Specifications (per speaker):
Speaker System: 2-way with crossover
Dispersion Angle: 120°
IP Rating: IP44
Construction: Moulded polypropylene cabinet with aluminium grille
Tapping Switch: Rotary (protected at rear)
Terminals: Spring terminals (protected at rear)
Mounting: Pan-and-tilt wall bracket included
Colour: Black

Denon DN-280 Amplifier

If you need a compact, high-powered amplifier that sums stereo signals into a mono output for paging, P.A. announcements and background music applications, the Denon Professional DN-280 is the ideal solution. With a space-saving, one-half rack space profile, the DN-280 features a microphone input for paging, a front panel 3.5mm (1⁄8-inch) AUX input and stereo analog inputs (summed to MONO) for signals from external playback devices such as an iPhone or stereo tuner.

The amplifier handles a 4Ω load or 70V/100V speaker runs, perfect for multiple speaker setups in small retail stores or doctor’s offices. A cool-running, powerful Class D amplifier delivers 100 watts with <0.1% THD and an outstanding Signal-to-Noise Ratio of >95dB, ensuring extremely clean performance under all conditions. The DN-280 has built-in short circuit protection and front-panel LED indicators for signal present, clipping status and thermal interruption.

Features:

Class D 100W mono amplifier
Trim one-half rackspace height - rackmountable or stand-alone
Removable feet and option to mount two units together in a 1RU space
Paging microphone input with gain control
Tone and master volume controls
RCA inputs (L/R stereo inputs summed to MONO)
3.5mm (1/8”) AUX input
70V/100V/4Ω Euroblock output

Specifications:Total Harmonic Distortion: <0.1% (A-weighted)

Frequency Response: 100Hz – 15kHz (+0/-3dBv)

Signal-to-Noise Ratio: >95dB (A-weighted)

Damping Factor: >200 (1k 8Ω)

Output Power: 60W

Connectors
(1) Euroblock channel output
(1) Dual RCA input
(1) XLR / TRS 1/4” (6.35mm) combination input
(1) TRS 1⁄8” (3.5mm) auxiliary inpu

Input Sensitivity
Dual RCA input: 0+/-1dBv

Auxiliary input: -10+/-1dBv

Combination input: -30+/-1dBv

Input Impedance: 20kΩ balanced or 10kΩ unbalance

Power
100V ~, 50/60Hz, 100W
110–120V ~, 50/60Hz, 100W
220–240V ~, 50/60Hz, 100W
Voltage Gain:
40+0/-1dB (100V)

Dimensions (width x depth x height): 7.9” x 10.7” x 1.7” (200 x 273 x 43mm)

Weight: 5.3 lbs. (2.4kg)