H300 Headphone Amplifier
Product Information: The H300 is a high-end audio
product with a version of 1.0. It offers exceptional sound quality
with minimal distortion (0.00006%) and a wide dynamic range of
133dB. The product features 32 and 64 ohms impedance options,
making it suitable for various audio devices. It has a power output
of 1610W and a low power consumption of 325W. The H300 is designed
for use with in-ear monitors (IEM) and is ideal for Hi-End audio
applications. It supports a frequency response range of 20Hz to
100kHz with a deviation of -0.5dB. Product Usage
Instructions: 1. Connect the H300 to your audio device
using the appropriate cable. The available options include a 4-pole
balanced cable (PLFC), a 4.4mm connector, an XLR connector, and a
6.35mm connector. 2. Ensure that the H300 is properly powered by
connecting it to a power source. 3. Adjust the volume level on your
audio device to a comfortable listening level. 4. To achieve the
best sound quality, it is recommended to use the H300 with
high-quality audio sources and recordings. 5. When using the H300
with in-ear monitors (IEM), ensure that they are properly fitted
and positioned in your ears for optimal sound isolation and
comfort. 6. The H300 can be used for various audio applications
such as listening to music, watching movies, gaming, and more. 7.
Refer to the user manual for additional information on maintenance,
troubleshooting, and warranty details. Note: For detailed
instructions on specific functions and settings, please refer to
the user manual provided with the H300.
H300
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H300
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, 4(PLFC)! 0.00006%, 133dB! 32,64! , 1610W, 325W ; , ; , IEM; , Hi-End; ; ; , ; ; 20Hz100kHz(-0.5dB) ; , , ; .
H300
H300
…………………………………………………………………………………….. , ………………………………………4.4mm , XLR , 6.35mm …………………………………………………………………………. , :
16 …………………………………………………………………………..10W x 2 32 ……………………………………………………………………………..5W x 2 …………………………………………………………………………………………………. 133dB ………………………………………………………………………………………………. 133dB THD+N ………………………………………………………….. -123dB, 0.00006% (1kHz , 32 ) …………………………………………………………………………………………………47k …………………………………………………………………………………… 0 : ……………………………………………………………………….. 44 ……………………………………………………………………. 22 ………………………………………………………………………20Hz – 100kHz(-0.5dB) : ……………………….. (-11.5dB) ,(0dB) ,(18.5dB) ………………………………… (-6dB) ,(6dB) ,(24.5dB) (EN60065) ………………………………………………………………………………..<50W …………………………………………………………………………210X40X178mm(WxHxD) ……………………………………………………………………………………………………..1.23kg
H300
8
765
4 32
1
9
10 11
1 2 6.35mm 3 4.4mm 4 5 6 7
12
13
8 9 XLR 10 RCA 11 RCA 12 XLR 13 AC(AC100-240V)
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H300
USER MANUAL
The contents of this manual may be changed with the edition, and are subject to change without notice Ver 1.0
H300
Safety Notes
Install this unit in a well ventilated, cool, dry, clean place-away from direct sunlight, heat sources, vibration, dust, moisture, or cold..
Use the voltage specified on this unit Only. Using this unit with a higher voltage than specified is dangerous and may cause fire , damage to this unit, or personal injury. Our company will not be held responsible for any damage resulting from the use of this unit with a voltage other than that specified.
Do not attempt to modify or fix this unit by yourself. Contact alesperson or customer service when any service is needed. The cabinet should never be opened for any reason.
When not planning to use this unit for long periods of time (i.e. when going on vacation), disconnect the power cable from the AC wall outlet. Important note: The product specifications and information mentioned in this manual are for reference only. The content of this manual is subject to change without notice.
Warranty Terms
1.The Term of Service Foshan Shuangmusanlin Technology Co., Ltd promises to offer good-quality products. If the product is broken in 7 days after purchasing when you use it normally, you can choose to send it back for return, replacement or repairing (only the product does not affect the second sales can be returned ). Repairing for free in one year if you use it normally.
2.Date of purchase is in accordance with the date on invoice or receipt uesd by seller, and if you buy it on line, you can show the screenshot of trade.
3.If an inappropriate usage causes the unit damaged, the warranty will be void. As below. All damages by inappropriate use, including using it under non-normal working environment or without following the instructions. Dismantling, refitting, repairing by user in private. Causing damage by using some fittings instead of the designative or accredited ones. Cannot provide credible proof of purchase.
4.Sending it back to our company for repairing.
5.Contact your S.M.S.L Audio reseller for a return or replacement.
H300
Features
Fully balanced design, 4 ultra-low distortion precision linear feedback circuit (PLFC)! The distortion is as low as 0.00006%, and the A-WTD is as low as 133dB! Each channel uses 32 low-noise op amps in parallel, a total of 64 op amps for power amplifier! High output power, 16 ohm output power up to 10W, 32 ohms up to 5W; The specially designed volume potentiometer greatly reduces channel deviation; 3 gears gain control, low gain is specially optimized for IEM; Pre-out function, can be used as Hi-End pre-amp; Vintage operation of mechanical toggle switches; Ultra-compact design, very suitable for desktop headphone system; High-precision low-temperature drift resistance, performance is not affected by temperature; High-quality relay and non-impact sound design; 20Hz to 100kHz(-0.5dB) frequency response; The headphone amplifier has comprehensive protections such as DC, overvoltage, and overload protection; Built-in high-efficiency and low-noise power system.
H300
Specifications
Inputs………………………………………………………………………………………Balanced, Unbalanced Headphone outputs………………….4.4mm Balanced , XLR 4 Pin , 6.35mm unbalanced Pre-outputs…………………………………………………………………………….Balanced, Unbalanced Output Power:
16 ……………………………………………………………………………..10W x 2 32 ………………………………………………………………………………5W x 2 SNR…………………………………………………………………………………………………………………….133dB Dynamic Range………………………………………………………………………………………………….133dB THD+N…………………………………………………………………… -123dB, 0.00006% (1kHz, 32 ) Input Impedance………………………………………………………………………………………………. 47k AMP output Impedance……………………………………………………………………………….Near 0 Pre-output Impedance: Balanced……………………………………………………………………………44 Unbalanced………………………………………………………………………22 Frequency Response…………………………………………………………….. 20Hz – 100kHz(-0.5dB) Gain: Unbalanced………… Low(-11.5dB) , Middle(0dB) , High(18.5dB) Balanced…………………. Low(-6dB) , Middle(6dB) , High(24.5dB) Power consumption(EN60065)………………………………………………………………………..<50 W Size……………………………………………………………………………………….210X40X178mm(WxHxD) Weight………………………………………………………………………………………………………………..1.23kg
Specifications are subject to change without notice.
Display Interface and Instructions
H300
8
765
4 32
1
9
10 11
12
13
1 Volume 2 6.35mm headphone jack 3 4.4mm balanced headphone jack 4 Balanced headphone jack 5 Output selection 6 Gain selection 7 Input selection
8 Power switch 9 XLR balanced input 10 RCA input 11 RCA Pre-output 12 XLR Pre-output 13 Power AC input(AC100-240V)
Note: Please turn down the volume before connecting the headphones to avoid
excessive volume damage to the headset. According to the advice of health experts, do not listen to the headphones for
a long time so as not affect your hearing. The indicator light turns orange after it is turned on. Flashing orange means
the system has triggered protection.
