| Content | A4 is one compact in wall stereo amplifier with multi audio functions that you can control it on touch screen or remote control easily. With 3.5" capacitive touch screen, the music player could be adaptable for TF Card/USB that you can play your preferred playlist. Built-in FM radio (87.5-108MHz) offers you more sound options. With built in Bluetooth module, you can stream music from smart phone, pad, computer to the device and having the sound through ceiling speakers. You can control the volume on your device in hand. With modifiable Bluetooth name and password, you can install in close area but without confusion on the name when pairing. You can schedule play or stop the music as alarm function. The in wall amplifier A4 is ideal for small home theater system, it is recommended to connect with 4 low impedance loudspeakers for stereo sound. You can enjoy your leisure time with your family. These in wall amplifiers are also widely used in apartment, house, hotel, office, shop, restaurant, villa etc.
It's integrated amplifier with media player installed in wall and you can control unit on touch screen or by remote control. You have Bluetooth connection to play music from your phone/pad/computer. Also you can play music from USB or SD card. FM radio is available. You can modify the Bluetooth name and password for the amplifier.
Product Features
- Stereo Amplifier Module (4 x 30W)
- 3.5” capacitive touch screen English display
- Bluetooth connectivity for wireless audio input of iPhone, iPad, smartphones, etc
- Modifiable Bluetooth name and password
- 1 x Wired Audio Input (on rear PCB)
- USB and SD card player (at bottom of unit)
- 1 x Wired Audio Output (on rear PCB)
- Built-in FM radio(87-108MHz)
- 1 x RS485 connector
- Music Player with adjustable Treble/Bass.
- 12/24Hours Time Display
- Timely schedule play/stop music
- Infrared remote control
- Screw terminations on the rear of the unit for loudspeakers, power and wired line input
- Includes in-line power supply
Technical Specifications
- 3.5" Capacitive Touch Screen
- Power Supply: AC100-240V
- Output Power: 4 x 30W (Max)
- Input Impedance: 10KΩ
- Output Impedance: 4-8Ω
- Frequency response:20Hz-20KHz
- Extended TF card up to 32G
- Bluetooth Transmission Distance: ≤ 10M
- Product size: 86 x 86 x 48mm
Package Contents
- 1 x amplifier
- 1 x wall bracket
- 1 x back box
- 1 x remote control (cell battery is not included)
- 2 x screws for mounting
- 1 x small screw for fixing amplifier on bracket
- 1 x Micro USB-USB Connector
- Package Weight: 0.450kg (1lb.)
- Package Size: 16cm x 12cm x 11cm (6.3in x 4.72in x 4.33in)
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- Easy installation in practically any 12V battery equipped car.
- Compact, rugged construction and front panel controls.
- Two phone jack mic. inputs and handy phone jack AUX input for external equipment connection.
- Unidirectional dynamic microphone with talk switch.
| Specification |
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| Power Source | Standard voltage: 14VDC
Usable Voltage; 10 ~ 16V DC (12V Battery Used) | | Power Consumption | 9A or less at rated power output. | | Output Power | Rated 60W, max. 120W | | Output Impedance | 4Ω (BRN), 8Ω (ORG), COmmon (WHT)
Changeable by changing lead wire connections. | | Distortion | Less than 5% (at 1kHz rated output) | | Frequency Response | 100 ~ 10,000Hz | | Input | Mic 1, 2 : 600Ω, 4 mV, Phone Jack
Aux : 10 kΩ, 500 mV, Phone Jack | | Dimensions | (W x H x D): 178 x 50 x 170mm (mounting device excluded) | | Weight | 1.2 kg | | Finish | Front panel; ABS resin, Black
Case; Zinc plated steel sheet | | Accessory | Microphone holder ... 1
Mounting Bracket ... 1
Mounting Screw ... 1
Fuse (12A) ... 1
Connection cord ... 1 set | | Accessory | Microphone Unidirectional dynamic type with Talk switch
Impedance : 600Ω
Sensitivity : -53dB (IkHz, 0 dB = 1 V / Pa) |
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| | - INTEGRATED DIGITAL PA COMBINATION SYSTEM (ALL IN ONE SYSTEM) - SIMULTANEOUS 2 GROUP DIFFERENT BROADCASTING - DIGITAL PROCESSING & DIGITAL AMPLIFIER - CD COPY (EXTEND LIFE-TIME OF CD MECHANISM) - USB INTERFACE (USB HOST) | | | | | | POWER AMP | | Rated Output | 120W + 120W | | Input Sensitivity | -10dBV / 10kΩ | | S/N | Better than 75dB | | Frequency Response | 100Hz-18kHz | | MIC/LINE 1~5CH | | MIC Input Sensitivity | -55dBV / 10kΩ | | MIC S/N | Better than 55dB | | MIC Frequency Response | 120Hz-10kHz | | MIC T.H.D | Less than 0.5% | | LINE Input Sensitivity | -10dBV / 10kΩ | | LINE S/N | Better than 65dB | | LINE T.H.D | Less than 0.3% | | CD | | S/N | Better than 80dB | | Frequency Response | 100Hz-20kHz | | TUNER | | S/N | Better than 60dB | | Frequency Response | 120Hz-12kHz | | Power Consumption | 170W (1/8 Power) | | Weight | 16kg/35.3lb | | Dimension | 482(W)x177(H)x373(D)mm/19(W)x7(H)x15(D)in | | ※ Specifications and design subject to change without notice. | | | |
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| | - MODULAR DESIGN Optional modules can be installed in multiple configurations for convenience and ease of use. Choose the PAM-CDA (Compact Disc), PAM-T (AM/FM Tuner) or PAM-D (Cassette Deck) modules to expand the PAM-120A/340A/480Aʼs audio capabilities. - INDIVIDUAL INPUT GAIN CONTROLS Rear-panel gain controls for each input channel for total control of individual levels. - SPEAKER SELECT Six speaker select switches enable you to select any combination of up to five speakers. - SELECTABLE PRIORITY MUTING Switchable audio signal priority for Channels 1 and 2, Chime and Telephone input over other input sources. - REMOTE CONTROL INPUT (only PAM-340A/480A) Individual speaker zones can be selected and chime can be operated by wired remote control. - ANNOUNCEMENT CHIME Convenient four-tone chime for use with announcements. - EM(EMERGENCY) - OPTIONAL EMERGENCY VOICE IC (only PAM-340A/480A) When EM switch is pressed in emergencies, EM broadcasting stored in VOICE IC is outputted. | | | | | | | | | Rated Output Power | PAM-120A(THD 1%) : 120W (RMS) PAM-340A(THD 3%) : 340W (RMS) PAM-480A(THD 3%) : 480W (RMS) | | Frequency Response | | Amp In | 80Hz~20kHz | | Link In | 80Hz~15kHz | | CH1~CH6 | 120Hz~8kHz | | Remote In | 120Hz~8kHz(PAM-340A, PAM-480A) | | T.H.D.(at 1kHz Rated Output) | Less than 1%(PAM-120A) | | T.H.D.(at 1kHz Half Power Output) | Less than 0.5%(PAM-340A, PAM-480A) | | S/N | | Amp In | Better than 90dB(PAM-120A) Better than 88dB(PAM-340A/480A) | | Link In | Better than 65dB | | CH1~CH6 | Better than 50dB | | Remote In | Better than 50dB(PAM-340A/480A) | | Input Sensitivity/Impedance | | CH1~CH6 | | TRIM VR -60dB Position | 1mV/10kΩ | | TRIM VR -16dB Position | 158mV/10kΩ | | Link In | 100mV/10kΩ | | Amp In | 1V/47kΩ(PAM-120A) 1V/20kΩ(PAM-340A/480A) | | Remote In | 1V/10KΩ(PAM-340A/480A) | | Speaker Output/Impedance | PAM-120A : 120W/4Ω, 70V/42Ω, 100V/83Ω PAM-340A : 340W, 100V/29.4Ω PAM-480A : 480W, 100V/20.8Ω | | Preamp Output/Impedance | 1V/600Ω | | Tone Control (100Hz, 10kHz) | ±12dB | | CH1~CH6 EQ Control (100Hz, 1kHz, 10kHz) | ±12dB | | | | | | | | Power Source | 100–120VAC or 220V–240VAC; 50/60Hz, 24V DC(only PAM-120A) | | | (Supplied AC mains transformer depends on country requirements) | | Power Consumption | PAM-120A : 135W(1/8 POWER), 200W(1/3 POWER), 300W(FULL POWER) PAM-340A : 260W(1/8 POWER), 400W(1/3 POWER), 620W(FULL POWER) PAM-480A : 360W(1/8 POWER), 550W(1/3 POWER), 880W(FULL POWER) | | Weight | PAM-120A : 13kg/28.7lb PAM-340A : 13.5kg/29.7lb PAM-480A : 15.5kg/34.2lb | | Dimensions | 420(W) x 132(H) x 360(D)mm/16.5(W) x 5.2(H) x 14.2(D)in | | Operation Temperature | 14F~104F (-10°C~+40°C) | | ※ Specifications and design subject to change without notice. | | | |
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| | - SPEAKER SELECT(5ZONE SPEAKER OUTPUT) Six speaker select switches enable you to select any combination of up to five speakers. - SELECTABLE PRIORITY MUTING Switchable audio signal priority for MIC Channels 1, siren, Chime and Telephone input over other input sources. - MONITOR SPEAKER You can monitor output signal by using the monitor speaker, and can control the monitor level on front panel by 3 step lever switch. - ANNOUNCEMENT CHIME Convenient four-tone chime for use with announcements. - REMOTE CONTROL INPUT Individual speaker zones can be selected and chime can be operated by wired remote control. - EM(EMERGENCY) When EM switch is pressed in emergencies, EM broadcasting stored in VOICE IC is outputted. - REMOTE POWER You can turn on/off amplifier by remote control. - INDIVIDUAL INPUT GAIN CONTROLS Rear-panel gain controls for each input channel for total control of individual levels. - MODULAR DESIGN Optional modules can be installed in multiple configurations for convenience and ease of use. Choose the PAM-CDA (Compact Disc), PAM-T (AM/FM Tuner) or PAM-D (Cassette Deck) modules to expand the PAM-510/520ʼs audio capabilities. ACCESSORIES One detachable AC power cord is provided for use with this product. | | | | | | | PAM-510 | PAM-520 | | Amplifier Section (Amp In@1kHz, 4Ω Load Output) | Rated Output Power (THD 1%) | 120W(RMS) | 240W(RMS) | | Speaker Zone 1~5 Output | 25W MAX | 50W MAX | | Input Sensitivity/Impedance | 1V/20kΩ | | S/N | Better than 85dB | | Frequency Response (at 1kHz Half Power Output, ±3dB) | 80Hz~18kHz | | Mic Input Section (Mic 1~4 In@1kHz, Preamp Out) | Input Sensitivity/Impedance | –60dBV/600Ω | | S/N | Better than 55dB | | Frequency Response (±3dB) | 120Hz~10kHz | | Tone Control (Bass:100Hz,Treble:10kHz) | ±12dB | | Phantom Power | +24VDC | | Line Input Section (Line 1~2 In@1kHz, Preamp Out) | Input Sensitivity/Impedance | –30dBV/10kΩ | | S/N | Better than 65dB | | Frequency Response (±3dB) | 80Hz~15kHz | | Tone Control (Bass:100Hz,Treble:10kHz) | ±12dB | | Remote Amp Section (Remote In@1kHz, Preamp Out) | Mic Input Sensitivity/Impedance | –60dBV/600Ω | | S/N | Better than 55dB | | Frequency Response (±3dB) | 120Hz~10kHz | | Tel In Section (Tel In@1kHz, Preamp Out) | Input Sensitivity/Impedance | 0.3V/600Ω(USA/Canada) | | 0.775V/600Ω(EC & Associated) | | S/N | Better than 65dB | | Frequency Response (±3dB) | 330Hz~3kHz | | Pre Amp Out(Mic 1~4, Line 1~2, Tel In, Remote In) | 0dBV/600Ω | | | T.H.D | Less than 0.5% | | Record Out | –10dBV/3kΩ | | Operating Temperature | –10°C~40°C | | Power Source | 100–120VAC or 220–240VAC; 50/60Hz, 24VDC | | Power Consumption (1/8 POWER) | 180W | 320W | | Weight | 17kg/37.6lb | 19kg/42lb | | Dimensions | 482(W) x 132(H) x 398(D)mm 19(W) x 5.2(H) x 15.7(D)in | | ※ Specifications and design subject to change without notice. | | | |
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High cost-performance
Suitable for commercial audio systems in schools,
offices, shops, restaurants, factories, houses of worship, and large meeting rooms.
Equipped with balanced mic. inputs for better isolation from external noise, compared to unbalanced inputs.
Improved durability compared with conventional
TOA models.
Flexibility
A wide range of power outputs from 30W to 240W
Offers a comfortable acoustic space thanks to tone
control at bass and treble.
Both AC and DC operation possible
Phantom power provided to MIC1, for supplying
power to a condenser microphone.
Easy to handle
Scratch and fingerprint-resistant finish•Easy and quick volume control with master volume control.
| Specification |
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| Power Source | 220 - 240V AC or 24V DC | | Rated Output | 240W | | Power Consumption | 238W (EN60065), 520W(AC operation at rated output, 15A (DC operation at rated output) | | Frequency Response | 50 - 20,000Hz (+/- 3 dB) | | Distortion | Under 1% at 1kHz,1/3 rated power | | Input | MIC 1: -60db 600Ω,electronically balanced, 5-P Din type. MIC 2,3:-60db 600Ω,electronically balanced, 5-P phone jack. AUX 1,2: -20dB, 10kΩ, unblanced, RCA pin jack. Mute: Contact Pin 4 - 5 Closure input (for MIC 1) | | Output | SPEAKER OUT:Balanced (floating)
HIGH IMPEDANCE:42W (100V)
LOW IMPEDANCE: 4Ω (31V)
REC. OUT: Odb, 600Ω unbalanced, RCA pin jack | | Phnatom Powe | DC + 21V (MIC 1) | | S/N Ratio | Over 60dB | | Tone Control | Bass: +/- 10 dB at 100k Hz Treble: +/- 10 dB at 10k Hz | | Muting | MIC1: Mutes other signals by 0 - 30 dB attenuation | | Indicator | Power signal, peak | | Finish | Panel: ABS resin, black/Case: Steel plate, black | | Dimensions | 420 (W) x 100.9 (H) x 360.3 (D) mm | | Weight | 13kg |
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