Features
- Bluetooth Specification:V2.0
- Supports advanced audio distribution profile
- Off time display function
- Digital high-quality FM stereo radio
- Preset 18 stations (Â frequency: 87.5-108 MHz )
- Support USB /Â SD /Â MMC card reader
- Support Audio: MP3 /Â WMA /Â APE /Â FLAC /Â WAV etc.
- Support folder function
- Support breakpoints and ID3 Play
- Support remote control
- Rotary volume control
- MP3 randomized, 10 track up /Â down playback
- Electronic control volume treble, bass, balance and fader
- Multiple EQ scene selection: Jazz, rock, pop, classical, etc.
- Mute and loud control
- LÂ / RÂ RCA audio output jacks
- 4-channel high power output (Â 4 loud speaker )
- Support modes: BT /Â APE /Â WAV /Â WMA /Â MP3 /Â FM
- The remote control battery (Â included ): CR2025 3VÂ
Specifications
FM Radio
Tuning Range: 87.5 -Â 108.0MHz
Sensitivity: Less than 20db
Stereo Separation: More than 25db
SNR: More than 60db
Some Playback
Music format support: MP3 /Â WMA
Display format: ID3 display
Distortion: Less than 0.3 percents
Power Supply
12V Machine: 11 -Â 16V
Note: This machine is 12V machine, not according to the 24V power supply
Audio
Operating temperature: -20 -Â 60 deg.C
Quiescent current speaker impedance: 4Â ohm
Frequency Response: 20 -Â 20000Hz
Fuse
Red: 1A
Yellow: 15A
Â
| Type |  Car MP3 Player |
| Model | JSD520 |
| Special Function | FM Radio, Bluetooth, Hands-free calls, MP3 Player, USB flash disk |
| Output Power | 4 x 60W |
| Voltage | 12V |
| Music Source | SD card, 3.5mm stereo headphone jack, Cellphone, Flash drive |
| Built-in EQ: | Rock, Classic, Pops, Jazz |
| SNR (dB) | ≥60db |
| Degree of Distortion (%): | ≤0.3% |
| FM Channel | Â 87.5 -Â 108.0MHz |
| Bluetooth Version | Â 2.0 |
| Media Format | WAV, WMA, Mp3 |
| Package weight | 0.7kg |
| Product Size (L x W x H) | 18.3 x 13.3 x 5.8 cm / 7.19 x 5.23 x 2.28 inches |
| Package Size (L x W x H) |  22.0 x 18.5 x 8.0 cm / 8.65 x 7.27 x 3.14 inches |
| Package Contents: | 1 x  12V Bluetooth V2.0 Car Audio Stereo MP3 Player Radio In-dash Support USB AUX Input with Remote Control FM Radio Receiver, 1 x Remote Control, 1 x Wire, 1 x Installation Tool Set, 1 x User Manual |
Â
Hydraulic system concrete pump; lightweight concrete pump
Concrete trailer pump is a set of mechanical, electrical and hydraulic technology as one, with reliable performance of smooth operation and strong pumping capability. Reliability and stability is guaranteed by automatic engine regulation.
1) Convey floor heating lightweight foamed cement, mortar, fine aggregate concrete.
2) Convey all kinds of engineering construction in the plain concrete, fiber concrete.
3) Conveying or injection of refractory and thermal insulation material;
4).Conveying or jet of greening soil on the construction of ecological environment;
5). Conveying or injection of plain concrete and fiber concrete for all kinds of engineering construction
Product Application:
1.In building engineering, it is used for horizontal and vertical transportation of mortar.
2.In chemical industry and papermaking industry, conveying slurry raw materials and waste materials.
3.The use of fly ash slurry in the power plant
4. Used for grouting and revetment in national defense, civil air defense engineering and mine tunnel construction.
5. For highway pavement maintenance, grouting is used for cement pavement collapse.
6. In water conservancy projects, it is used to reinforce the dam.
7.In metallurgy, steel and other industries, it is used to maintain grouting for blast furnace and other equipments.
pump, concrete pump, mixer pump, concrete mixer pump, conveyor pump
Zhengzhou SMART Machinery Manufacture Co.,Ltd , https://www.simamax.com