Stereo power amplifier in a lightweight 1U rack-mountable housing. Class-D circuit architecture efficiently converts power into impactful audio for driving medium to large speaker cabinets. Custom cool guide technology ensures consistent and reliable operation and an inbuilt limiter circuit engages at peak output to prevent speaker overload. Options for parallel and bridge mode with selectable input levels and 75Hz low cut filter allow for different configurations to handle even the most demanding of sound reinforcement duties.

• Cool and efficient operation even at high output
• Compact and lightweight 1U rack format
• Switchable parallel and bridge modes
• Weight: 4.60kg
• Power:
  • Bridge power @ 8 Ohms: 1 x 2400W
  • 8 Ohms: 2 x 800W
  • 4 Ohms: 2 x 1200W
• Fuse: T10A (20 x 5mm)
• Dimensions: 482 x 350 x 44mm
• Power supply: 220-240Vac, 50/60Hz (IEC)
• Modes: Stereo, Parallel (mono), Bridge (mono)
• Input sensitivity: 0.775V – 1.0V – 1.44V switchable
• Low-cut filter: 75Hz switchable
• Inputs: L+R XLR female (L+R XLR male through)
• Speaker outputs: L+R SPK connectors (+1 for bridge mode)

See the ‘User Manuals’ tab on the left of this page – as manufacturers are making instruction sheets and user manuals available for download only and your purchase may not include a printed version.

The post Citronic D2400 Class D Stereo Power Amplifier appeared first on Sound Services.

Stereo power amplifier in a lightweight 1U rack-mountable housing. Class-D circuit architecture efficiently converts power into impactful audio for driving medium to large speaker cabinets. Custom cool guide technology ensures consistent and reliable operation and an inbuilt limiter circuit engages at peak output to prevent speaker overload. Options for parallel and bridge mode with selectable input levels and 75Hz low cut filter allow for different configurations to handle even the most demanding of sound reinforcement duties.

• Cool and efficient operation even at high output
• Compact and lightweight 1U rack format
• Switchable parallel and bridge modes
• Weight: 4.60kg
• Power:
  • Bridge power @ 8 Ohms: 1 x 1800W
  • 8 Ohms: 2 x 500W
  • 4 Ohms: 2 x 900W
• Fuse: T8A (20 x 5mm)
• Dimensions: 482 x 350 x 44mm
• Power supply: 220-240Vac, 50/60Hz (IEC)
• Modes: Stereo, Parallel (mono), Bridge (mono)
• Input sensitivity: 0.775V – 1.0V – 1.44V switchable
• Low-cut filter: 75Hz switchable
• Inputs: L+R XLR female (L+R XLR male through)
• Speaker outputs: L+R SPK connectors (+1 for bridge mode)

See the ‘User Manuals’ tab on the left of this page – as manufacturers are making instruction sheets and user manuals available for download only and your purchase may not include a printed version.

The post Citronic D1800 Class D Stereo Power Amplifier appeared first on Sound Services.

A-series mixer-amplifiers with switchable stereo or dual mono speaker outputs. Each speaker output has a stereo input source that can be selected between the internal audio player or three external stereo line inputs and even a digital optical input for AV applications. The inbuilt media player section offers playback of mp3 audio tracks from USB drive or microSD card and also has a B/T wireless receiver and FM radio tuner. Each speaker output zone has a wide ranging power capability from background music up to higher sound pressure levels, with Bass, Treble and Master Volume controls for independent sound management. Two microphone inputs have individual level controls and can be set to override the stereo line input for voice announcements. Emergency muting can be actuated from an alarm panel via the 24V EMG MUTE contacts on the rear panel. The A-series commercial amplifiers offer sophisticated functionality and power in a convenient 2U rack package with a comprehensive and accessible control surface. Each variant of this range is appointed to meet the needs of different sized installations with flexible setup options to serve various system topologies.

• 2-band EQ per output zone
• Internal audio player with USB/microSD playback
• S/PDIF optical input
• Bluetooth connectivity
• Each stereo output zone can be summed as dual mono
• Voice override for mic inputs
• FM radio tuner with external aerial connection
• 24V emergency mute contacts
• Weight: 7.06kg
• Dimensions: 482 x 290 x 88mm
• Output power:
  • 8 ohms: 2 x 2 x 150Wrms
  • 4 ohms: 2 x 2 x 300Wrms
• Power supply: 230Vac, 50Hz (IEC)
• Amplifier construction: Class D
• Frequency response: 20Hz – 20kHz ±0.5dB
• Input:
  • Mic: 2 x 6.3mm jack (mono) front or rear panel
  • Line: Line 1 (L+R RCA), Line 2 (L+R RCA)
  • Aux: 3.5mm stereo jack
• Digital audio input: TOSLink optical (S/PDIF)
• Input sensitivity:
  • Line: 0.775Vrms
  • Aux: 0.480Vrms
• Input impedance: 10k Ohms
• Audio source: USB/microSD mp3 playback, FM tuner, B/T receiver
• Bluetooth version: 2.3
• Input controls: Aux, Media, Line1, Line2, Mic1, Mic2, Talkover
• Output controls: Mode, Stereo/Mono, Treble, Bass, Channel Volumes
• Antenna connection: F type (FM tuner)
• Dynamic range: 92dB
• THD: +N <0.1%
• Protection: Thermal, over-current, over-voltage, short-circuit
• Emergency control: 24V mute terminals

See the ‘User Manuals’ tab on the left of this page – as manufacturers are making instruction sheets and user manuals available for download only and your purchase may not include a printed version.

The post Adastra A4300 Stereo Mixer Amplifier with Bluetooth appeared first on Sound Services.

Compact audio control panel with 2 x 25W digital amplifier built into a single gang wall plate. Powered directly from a 100-250Vac mains supply, the unit can be installed into a partition wall or 47mm back box and provides a minimal yet fully functional control surface. The WA-225 has an inbuilt USB/MicroSD audio player, an FM tuner and a Bluetooth receiver. Additional features include date/time display with an alarm clock and even a playback scheduler for background music automation. Bluetooth has a programmable name and pairing code to avoid confusion in multi room installations. Menu options and playback are operated from the front touch panel or by using the supplied IR remote control, displayed on a full colour 2.8” TFT screen. Left & Right speaker outputs for 2 or 4 speakers, mains power, FM antenna and an external line input are provided at the rear on screw terminal Euroblock connectors. A trigger contact is also included for a built-in doorbell function. A complete and versatile audio solution for wall or ceiling background music speakers in the home or commercial premises.

• Supplied with 50mm back box and IR remote control handset.
• 58 x 43mm full colour TFT display
• Wipe clean touch control panel
• Built in USB/microSD player and FM tuner
• Bluetooth receiver
• Power supply: 110-250Vac 50/60Hz (screw terminals)
• Output power:
  • 4 ohms: 2 x 25W
  • 8 ohms: 2 x 15W
• Inputs: microSD slot, USB-A port, 3.5mm Aux jack
• Terminals: L+N power, Doorbell, Aux L+R in/out, Speaker out L+R, GND, FM
• Modes: mp3, Bluetooth, FM tuner, Aux in
• Audio format: mp3, wma, wav, aac, waw, ape
• USB/SD player: 32GB max. FAT32
• Bluetooth range: Up to 10m
• THD: 0.03% (1W/1m)
• SNR: 98dB
• Frequency response: 20Hz-20kHz (±2dB)
• Mounting depth: 37mm (no back box)
• Dimensions: 86 x 86 x 50mm (inc. back box)
• Weight: 224g (inc. back box)

See the ‘User Manuals’ tab on the left of this page – as manufacturers are making instruction sheets and user manuals available for download only and your purchase may not include a printed version.

The post Adastra WA-225 In-Wall Stereo Amplifier with Bluetooth appeared first on Sound Services.

2.1 power amplifiers with 2 channels for mid-top cabinets and a single high power sub output with integral active crossover. Designed as a cost effective and efficient solution for bi-amplified sound systems where subs and top cabinets are run together from this single amplifier.

• Stereo full range output
• Mono summed sub output (can be full range)
• Active crossover with variable frequency
• Weight: 21kg
• Power (RMS):
  • 4 Ohms: 400 + 400 + 800W (sub)
  • 8 Ohms 250 + 250 + 500W (sub)
• Fuse rating: F12A
• Power supply: 240Vac, 50Hz (IEC)
• Input impedance: 40k ohms (balanced) / 20k ohms Unbalanced
• Controls: 3 x channel level + crossover frequency
• Connections: 3 x XLRF, 3 x jack, 3 x SPK
• Cut-off frequency: 50 – 250Hz (12dB/oct)
• Damping factor: >250 (20-400Hz @ 8 Ohms)
• Slew rate: 6.5V/us
• Frequency response: 10Hz – 50kHz (-2dB)
• THD: +N 0.04%
• SNR: 86dB
• Low-cut filter: 30Hz fixed (12dB/oct)
• Dimensions: 483 x 439 x 88mm

See the ‘User Manuals’ tab on the left of this page – as manufacturers are making instruction sheets and user manuals available for download only and your purchase may not include a printed version.

The post Citronic P44800 2.1 Power Amplifier appeared first on Sound Services.

PA amplifier with Bluetooth®/USB/FM player and speaker zone selector. Designed by Fonestar, unique, elegant and innovative. It uses a modern class D amplifier of high efficiency and reliability to offer the best sound performance. It can cover any space with sound for long working days. Output zones allow different volume levels to be selected, customising the sound level of each zone. Messages can be sent to zones with zone microphone. The best solution for PA and background music installations with a large number of 100 V line loudspeakers. It also has a low impedance output for transformerless loudspeakers. Features a built-in player as a source of background music. Microphone inputs allow for ring tone announcements. They have priority attenuating auxiliary inputs and activate the priority of attenuators (24V) and 3rd wire output with priority. Combo and Euroblock connectors with secure, long-lasting and low-maintenance connection. The amplifier offers user-friendly operation. It can be used as a desktop or rack-mounted amplifier. Perfect for PA and piped music systems with 100 V or low impedance line loudspeakers. Commercial premises, educational centres, monuments, exhibitions, bars, restaurants, etc.

• Features:
  • Class D PA amplifier and SMPS switch-mode power supply
  • Bluetooth/USB/FM player
  • ZONEMIC-6 zone microphone input
  • Input for remote wall panel
  • Microphone input with mix, gain and priority level control
  • Ringtone generator (Chime)
  • 3 auxiliary inputs
  • Emergency input and mute for connection to alarm and evacuation systems
  • 24 V attenuator priority
  • 3rd wire output (100 V) with attenuator priority
  • Tone controls
  • 100 V, 70 V and 4 Ω outputs
  • 4 outputs zones with volume control and Off
• Power: 240 W RMS
• Frequency response: 45-22,000 Hz (-10 dB)
• Distortion: THD+N: <0.5% at 1 kHz
• S/N ratio: Mic >75 dB, Line >83 dB, Aux >81 dB
• Protections: Soft start, overcurrent, overload, temperature and short circuit
• Inputs:
  • Zone microphone ZONEMIC-6, RJ45, up to 200 m cable length
  • Remote wall panel, RJ45, 2 x 250 mV RMS (-12 dBV)
  • CH 1, 2, 3 and 4 balanced mic/line with Phantom 48V. Combo connector (XLR + 6.3 mm) and euroblock. Ring tones by contact closure
  • Mic signal level: 5’6 mV RMS (-45 dBV) / 600 Ω
  • Line signal level: 250 mV RMS (-12 dBV) / 100k Ω
  • 3 x AUX. 2 x RCA connector. Signal level 316 mV RMS (-10 dBV) / 47,000 Ω.
  • 1 x emergency. Euroblock connector. Signal level: line 326 mV RMS (-10 dBV) or 100 V line
  • Mute (Emergency Priority) by contact closure. Euroblock connector
  • 1 Amp-in. RCA connector. Signal level 1’2 V RMS (+ 1’5 dBV)
• Output:
  • 1 REC. 2 x RCA connector. Signal level 316 mV RMS (-10 dBV). Pre-master.
  • 1 Pre-out. RCA connector. Signal level 1.2 V RMS (+1.5 dBV)
  • 100 V, 70 V or 4 Ω speaker output, or 4 x 100 V speaker zones with 7-position volume selector and OFF. Euroblock connector
  • 1 Attenuator priority, 24 V 100 mA and contact closure. Euroblock connector
  • 1 3rd priority wire for attenuators (100 V)
• Impedance: 4 Ω, 100 V line (42 Ω) and 70 V (20 Ω), euroblock
• Functions:
  • Input priority (in attenuation order):
    · 100 V Emergency Input with selectable signal level (VOX)
    · Mute by contact closure
    · ZONEMIC-6 zone microphone
    · Remote wall panel
    · Channel 1 with selectable signal level (VOX)
    · Channels 2 | 3 | 4 with shared selectable signal level CH 2-3-4 (VOX)
    · Auxiliary Inputs | Player
  • Power ring light on volume control, AUX input, zone and player indicators.
  • Power, signal, clip, priority activation and protection indicator lights
  • Induction cooling, fanless. Silent and maintenance-free
• Player:
  • Bluetooth/USB/FM player for background music playback
  • Bluetooth 5.3
  • Autoplay, starts playback automatically when switched on
  • Memory of the last selected mode
  • Playback mode memory (random, repeat)
• Controls:
  • Microphone volume
  • Master volume
  • Aux or player input selector
  • Zones with power on and 7 volume positions
  • Tone: bass and treble (+/- 10 dB 100 Hz and 10k Hz)
  • Mic/line/phantom selector, call tones and priority
  • Call tone level (chime)
  • Priority activation signal level (VOX)
• Temperature:
  • Operation: -10º ~ 40ºC
  • Storage: -20º ~ 60ºC
• Maximum humidity: 90%
• Power supply:
  • 230/115 V AC 50-60Hz
  • Power consumption: 345 W
  • AC fuse 230 V 4 A / 115 V 8 A
• Dimensions: 430 x 89 x 320 mm depth. 2 U 19” rack
• Weight: 8.8 kg
• Includes:
  • FM antenna
  • Bluetooth antenna.
  • Power cable
  • Rack mounts
• Optional: ZONEMIC-6: Zone microphone

See the ‘User Manuals’ tab on the left of this page – as manufacturers are making instruction sheets and user manuals available for download only and your purchase may not include a printed version.

The post Fonestar MAX-240Z Zone Mixer Amplifier appeared first on Sound Services.

Genuine replacement IR remote control for the discontinued Adastra WA-215 2 x 15W in-wall Bluetooth amplifier.

This listing is for the remote control only. The amplifier, fixings, speakers and cabling are not included.

New and unused original Adastra remote control, ideal as a replacement for a lost or damaged WA-215 handset.

1. Power on/off
2. Previous track/station/option
3. Play/Pause / BT Mute / Select
4. – Not used –
5. FM tuner mode
6. Mute output
7. Music (USB/microSD) playback
8. Bluetooth Mode
9. Volume +
10. Next track/station/option
11. Volume –
12. Return
13. – Not used –
14. Line input mode

See the ‘User Manuals’ tab on the left of this page – as manufacturers are making instruction sheets and user manuals available for download only and your purchase may not include a printed version.

The post Remote Control for Adastra WA-215 In-Wall Stereo Amplifier appeared first on Sound Services.

Quad digital power amplifier in a lightweight 1U rack-mountable format. An energy-efficient switch-mode power section and class-D amplification circuit delivers accurate power-on-demand to four independent speaker outputs. Proprietary cool guide technology provides stable temperature management for dependable operation. Each pair of output channels can be separately parallel switched or bridged as a full or part stereo amplifier configuration. For channel A, there is a switchable 120Hz low-pass filter for use with subwoofers and a channels C and D have a switchable stereo pair of 120Hz high pass filters to effectively focus power in full-range cabs operating as mid-tops in conjunction with sub-woofers. For permanent or mobile installations, the D-series offers an invaluable and flexible problem solver for audio designers and sound engineers.

• Switchable bridge or parallel mono modes
• Switchable high and low pass filters
• Configurable as a quad, stereo or 2.1 system
• Fully balanced audio signal path
• Full audio and power protection with peak limiter

• Weight: 6.400kg
• Dimensions: 482 x 320 x 44mm (without feet)
• Bridge power @ 8 Ohms: 2 x 1800W (both pairs of channels bridged)
• Output : rms @ 8 Ohms: 4 x 600W
• Output : rms @ 4 Ohms: 4 x 1000W
• Power supply:
  • Powercon: 100-240Vac, 50/60Hz
  • IEC: 220-240Vac, 50/60Hz
• Modes: 2 x Stereo, Parallel (mono), Bridge (mono)
• Input sensitivity: 0dB = 0.775Vrms
• Crossover: Input A 120Hz LPF and C+D 120Hz HPF (all switchable)
• Input connections: 4 x XLR female
• Sound output: 4 x SPK connectors

See the ‘User Manuals’ tab on the left of this page – as manufacturers are making instruction sheets and user manuals available for download only and your purchase may not include a printed version.

The post Citronic D41000 Class D Stereo Power Amplifier appeared first on Sound Services.

1U Lightweight digital power amplifier giving 2x 425 watts at 4 ohms, stable down to 2 ohms. Giving the efficiency and reliability you need for demanding applications.

The HX series, are ultra lightweight, compact, yet packed with high performance power ratings and features and available in eight models. All models feature comprehensive protection and status indicators, and are available in 2 and 4 channel variants offering from 2 x 225 watts at 4 ohms up to 4 x 765 watts. The HX series are all 1U size, with power factor correction (PFC), universal power supplies which will operate between 90-250VAC, and will perform at loads down to 2 ohms. For demanding installation, conference, entertainment and smaller touring and rental applications the new HX series will supply the performance, power and reliability you need in a compact, affordable package.

• Power:
  • 8Ω Stereo: 4 x 150 Watts
  • 4Ω Stereo: 4 x 255 Watts
  • 2Ω Stereo: 4 x 435 Watts
  • 16Ω Bridged: 2 x 300 Watts
  • 8Ω Bridged: 2 x 510 Watts
  • 4Ω Bridged: 2 x 870 Watts
• Energy saving design with high efficiency
• Power factor correction (PFC)
• Universal 90-250V power supply
• 2 and 4 channel models
• Reliable efficient operation down to 2ohm loads
• Variable speed fan cooling
• Status and protection indicators
• Stereo/parallel/bridge modes
• Multiple gain modes
• Output limiter
• Balanced XLR inputs
• Professional speaker connectors
• Thermal, overload, DC protection
• Thermal, fault and limiter indicators
• Dimensions (WxHxD): 483mm x 44mm x 323mm
• Net Weight: 9.0kg

See the ‘User Manuals’ tab on the left of this page – as manufacturers are making instruction sheets and user manuals available for download only and your purchase may not include a printed version.

The post Studiomaster HX4-600 Power Amplifier appeared first on Sound Services.

1U Lightweight digital power amplifier giving 2x 425 watts at 4 ohms, stable down to 2 ohms. Giving the efficiency and reliability you need for demanding applications.

The HX series, are ultra lightweight, compact, yet packed with high performance power ratings and features and available in eight models. All models feature comprehensive protection and status indicators, and are available in 2 and 4 channel variants offering from 2 x 225 watts at 4 ohms up to 4 x 765 watts. The HX series are all 1U size, with power factor correction (PFC), universal power supplies which will operate between 90-250VAC, and will perform at loads down to 2 ohms. For demanding installation, conference, entertainment and smaller touring and rental applications the new HX series will supply the performance, power and reliability you need in a compact, affordable package.

• Power:
  • 8Ω Stereo: 2 x 150 Watts
  • 4Ω Stereo: 2 x 255 Watts
  • 2Ω Stereo: 2 x 435 Watts
  • 16Ω Bridged: 300 Watts
  • 8Ω Bridged: 510 Watts
  • 4Ω Bridged: 870 Watts
• Energy saving design with high efficiency
• Power factor correction (PFC)
• Universal 90-250V power supply
• 2 and 4 channel models
• Reliable efficient operation down to 2ohm loads
• Variable speed fan cooling
• Status and protection indicators
• Stereo/parallel/bridge modes
• Multiple gain modes
• Output limiter
• Balanced XLR inputs
• Professional speaker connectors
• Thermal, overload, DC protection
• Thermal, fault and limiter indicators
• Dimensions (WxHxD): 483mm x 44mm x 323mm
• Net Weight: 5.0kg

See the ‘User Manuals’ tab on the left of this page – as manufacturers are making instruction sheets and user manuals available for download only and your purchase may not include a printed version.

The post Studiomaster HX2-300 Power Amplifier appeared first on Sound Services.