Top 10 Desktop Amplifer

Features: desktop audio Mini power amplifier compact home Theater stereo receiver style built-in Bluetooth for wireless Music Streaming FM radio with LCD digital display ID3 tag song readout displays track title multi-channel audio input selection MP3 audio file Support connect & Stream Audio from external devices USB flash drive & SD Memory Card readers USB doubles as Device Charge Port aux (3.5mm) input (2) 1/4” Microphone input jacks (2) pairs RCA (L/R) audio Input connectors (2) pairs banana plug speaker output connectors (1) pair RCA (L/R) audio output connectors front panel Audio Control Center radio station auto search scan ‘repeat & random’ Audio file Functions unique ‘track/ Folder’ Music search control knob treble, bass, Master & microphone volume adjustable

AD 18 is a small full digital class d bluetooth amplifier built-in headphone amplifier supports subwoofer output.Connect it to your computer and use it to drive your headphones with an amplifier or to power your passive speakers(4ohm speaker produces 80Wx2 output power).Sophisticated matting aluminum housing reduces interference. Patented SDB sound and +-8 level treble and bass adjustment. Independent headphone amplifier design and advanced DSP technology makes the unit more desirable. Amplifier Chip: Using TAS5508C for digital signal DSP processing and Pre-Amp.TAS5342A for digital signal rear-AMP. It will be through LC filter and then send to amplifier output jack. Digital Receiving Chip:CS8422.It receive optical and coaxial signal and all signal transfer. USB chip:TAS1020B. Supports stereo sound 24bit/96kHz.For much better sound, we use SDPI output instead of internal DAC output design. Strong anti-interference ability and More High-Fidelity. HP Amplifier Chip:MAX97220A. Dual-OP amplifier:NE5532 with High efficiency low noise. Analog/Digital converter IC :CS5341,Accurate to 24 bit 48kHz.Convert AUX signal to digital signal. Then digital signal processing by CS8422 Specification Type: Full digital decoding amplifier Input port: USB/AUX/3.5mm Coaxial and Optical 1/Bluetooth/Optical 2 Output Port: Amplifier output port/3.5mm Headphone port/Subwoofer Voltage: 24V Output power:80W x 2 SNR(Signal to Noise): 90dB THD+N: 0.04% Power consumption: 50W Standby power:0.8w EQ adjustment: 7 Headphone output(32ohm): 53mW@THD=0.04% USB sampling rate: 24bit 96kHz Optical sampling rate:44.1kHz-192kHz Coaxial sampling rate:44.1kHz-192kHz Treble adjustment range: ±8db,Bass adjustment range:±8db Net Weight: 572g Gross Weight:1585g Machine Size: 172*51*85mm

Feature:
all original parts manufacturing;
advanced oxidation process grain pull aluminum shell;
Delta OEM DC24V 4.5A (108W) power supply, over-current point 6A.
Warning:
The machine is BTL output, that is to negative side of speaker out is not public grounded (the two speakers cable must independent connect, no grounding together), we must strictly in accordance with the marking of plus or minus cable connection, this amp is not recommend for car or bike use.
Specification :
Speaker OUT (Left) x 1 pair (+ / -)
Speaker OUT (Right) x 1 pair (+ / -)
Power Indicator (Blue LED) around the volume control x 1
Power Supply input DC 24V 4.5A

Product Description

The Pyle PTAU45 Home Amplifier is perfect for powering any stereo system. Complete with USB, CD and AUX inputs, and 2 x 120 watts of power. This simple to use and durable amp has bass and treble controls, a slick blue LED output level display, L/R RCA inputs, and 4 speaker outputs. Using sophisticated circuitry and premium components for uncompromising musicality, this product is famous for delivering powerful and accurate sound. This small but powerful amp delivers clear and crisp audio for the listener. Durable and affordable, this amp is made to last.

Features:

From the Manufacturer

Front View
Click here for a larger image

Connection Diagram
Click here for a larger image

Back View
Click here for a larger image

Stereo Power Amplifier
Click here for a larger image

The Ultimate Stereo Power Amplifier

This amplifier gives you the power and versatility you need to create a professional sound system. Its wide frequency response makes it suitable for amplifying any type of audio including music or vocals. It can be used in meeting halls, restaurants, schools, stores, and at home –the perfect solution for paging systems anywhere. Get the power you need with 2 x 120 Watt to handle all your audio needs.

Switchable Mixing (Karaoke) Mode

When set to ‘mixing’ the signals from AUX1, AUX2, CD, & MIC will exist at the same time and works great for creating a karaoke event. Your music will play from your selected audio source and you will be able to sing through a connected microphone. (Microphone not included)

Switchable MIC Pager Mode

When set to ‘pager’ the signal from AUX1, AUX2, & CD will be attenuated by -12dB and the signal from MIC will override to page (Auto Talkover) and makes for an exceptional paging system.

USB 2.0 Input Interface with LED Indicator

You’ll be in control with playback options when you insert a USB flash drive –or similar USB device. Play your favorite audio files from your computer’s media library when you connect it directly into the amplifier.

.14-Inch AUX-In Jack

The .14-inch jack, located conveniently in the front, allows you to connect the input of many devices including iPods, MP3 players, smartphones, CD players etc.

Push Type Speaker Terminals

Lets you easily connect speaker wires directly to the amplifier. The speaker impedance can be ranged from four to eight Ohms for the general stereo output. The total speaker impedance must be at least four Ohms per channel at stereo mode.

110/220 Voltage Selector

This amplifier has selectable input voltage from 110 V/60 Hz (the standard in USA and Canada) to 220 V/50 Hz (for European operation). Please make sure the switch is in the proper position before operating.

.25-Inch Phone Jack

Accepts headphones with .25-inch plugs.

.25-Inch Microphone Input Jack

Accepts microphones with .25-inch plugs.

REC RCA Output

Lets you connect the amplifier to a tape deck for recording.

Take Control

Use the control center panel located on the face of the unit to make adjustments to microphone volume, master volume, balance, bass, and treble

Replaceable Power Fuse

The amplifier uses a fuse for protection against surges and short circuit. If the amplifier suddenly turns off and will not turn on, check the fuse, and replace it if necessary. (Replacement fuse to use: 1.5-amp, 250-volt, fast-acting .2 x .8 inches fuse -not included)

Additional Features

• Harmonic Distortion: 0.3%
• 2 x 120 Watt RMS at four Ohms
• Blue LED Output Level Display
• Frequency Response: 20 Hz-20 kHz
• Power Fuse: 1.5 A, 250 V Fast-Acting (.2 x .8 inches)
• Power Requirement: 120 V AC 60 Hz/230 V AC 50 Hz
• Tone Controls: Bass & Treble: +/-10 dB (100 Hz/10 kHz)
• Dimensions: 8.27 x 2.72 x 5.39 inches

Technology Parameters:
Input voltage: 9-14.4v DC
Frequency response: 20Hz~20KHz.
Output impedance: 4-16R.
Output power: 2x20W / 4Ω @14.4V; 1KHz.
Harmonic distortion: ≤0.0002%.
SNR: ≥70dB.
Treble: +9dB 10KHz.
Bass: +9dB 100Hz.
The Signal level: 200MV 47K.

Power:
Rated the input voltage: DC 12V.
Rated input current: ＞2A.

Package Content:
1x Kinter MA-170 Amplifier.
1x User Manual.