XDM3001 - Receiver JL Audio - Free user manual and instructions

Product type	Class D monoblock amplifier
Brand	JL Audio
Model	XDM300/1
Dimensions (L x W x H)	174 mm x 180 mm x 52 mm
Weight	Approximately 1.5 kg
Power supply	12 V DC, negative ground
Recommended fuse	30 A (within 45 cm of battery)
Minimum cable gauge	4 AWG (pure copper)
RMS Power (14.4 V, <1% THD)	200 W x 1 (4 Ω), 250 W x 1 (3 Ω), 300 W x 1 (2 Ω)
RMS Power (12.5 V, <1% THD)	160 W x 1 (4 Ω), 210 W x 1 (3 Ω), 270 W x 1 (2 Ω)
Frequency response	1 Hz - 1 kHz (+0, -1 dB)
Signal-to-noise ratio	>100 dB (A-weighted, ref. rated power)
Damping factor	>120 (50 Hz, 4 Ω), >60 (50 Hz, 2 Ω)
Inputs	2 x RCA (stereo input, differentially balanced)
Input sensitivity range	200 mV - 4 V RMS
Speaker outputs	2 pairs of terminals (mono subwoofer)
Preamp outputs (pass-through)	2 x RCA (left and right)
Filter type	Active low-pass, 12 or 24 dB/octave, 50-500 Hz, defeatable
Controls	Input Sens., LP Filter Mode/Slope, Filter Freq., Turn-On Mode, Input Filter (Car/Boat)
Status indicators	Green (power on), Red (overheat), Orange (overcurrent), Off (undervoltage)
Protections	Overheat, overcurrent, undervoltage
Remote control	HD-RLC or MHD-RLC (optional)
Operating temperature	Not specified but keep away from extreme heat
Protection rating	Water resistant (splash), do not immerse

Frequently Asked Questions - XDM3001 JL Audio

What is the power output of the JL Audio XDM300/1 amplifier?

At 14.4 V and <1% distortion, it delivers 200 W x 1 at 4 Ω, 250 W x 1 at 3 Ω, and 300 W x 1 at 2 Ω. At 12.5 V, the values are slightly lower (160/210/270 W).

Which fuse should I use for installation?

A 30 A fuse or circuit breaker is recommended, installed within 45 cm of the battery positive connection. For marine applications, the distance is reduced to 18 cm per ABYC/NMEA standards.

How to wire power and ground?

Use a minimum 4 AWG pure copper cable (do not use copper-clad aluminum). Connect +12 V to the +12 VDC terminal, ground to the GND terminal (battery negative terminal), and the Remote wire to a switched +12 V signal (ignition or radio remote output).

How to adjust input sensitivity (Input Sens.)?

Disconnect the speakers, set the source to 3/4 volume, play a sine wave (50 Hz for subwoofer), and measure AC voltage at the outputs with a voltmeter. Adjust Input Sens. until the target voltage is achieved according to impedance (e.g., 38.3 V for 4 Ω). Never exceed this value to avoid distortion.

What are the turn-on modes (Turn-On Mode)?

Three modes: 'Remote' (+12 V wire trigger), 'Offset' (DC voltage detection on inputs), and 'Signal' (audio signal detection). Remote mode is recommended for most installations.

How to configure the low-pass filter?

The 'LP Filter Mode/Slope' selector allows choosing Off (no filter), 12 dB/octave, or 24 dB/octave. Use the 'Filter Freq. (Hz)' knob to set the cutoff frequency between 50 Hz and 500 Hz. For a subwoofer, a frequency around 80 Hz is common.

What do the status indicators mean?

Flashing green: startup (output muted). Solid green: normal operation. Red: overheat (output reduced). Orange: overcurrent (output muted, a ticking sound may be audible). Off: undervoltage (<10 V on Remote wire or battery).

Can I use this amplifier with 1 Ω speakers?

No, the minimum recommended impedance is 2 Ω. Using a 1 Ω load is not advised and could damage the amplifier.

Where to install the amplifier in the vehicle?

Choose a dry, well-ventilated location away from water splashes (do not immerse). Avoid the engine compartment, areas of extreme heat, and locations exposed to the elements. Make sure there are no obstacles behind mounting surfaces before drilling.

How to connect the remote level control (HD-RLC)?

The remote control (optional) connects to the 'Remote Level Control' jack (pin 3 on the diagram). It allows reducing the subwoofer volume from 0 to -infinity (mute). Use the compatible HD-RLC or MHD-RLC model.

USER MANUAL XDM3001 JL Audio

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XDM300/1

300W MONO CLASS D SUBWOOFER AMPLIFIER

OWNER'S MANUAL MANUEL D'UTILISATION MANUAL DEL PROPIETARIO BEDIENUNGSANLEITUNG MANUALE DEL PROPRIETARIO

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2 | JIAudio®-XDM300/1

INSTALLATION CONSIDERATIONS

• Installation requires appropriate tools and safety equipment. Professional installation is recommended.
• This product is water-resistant. Do not submerge or subject to high-pressure water spray.
- Before installation, turn off the audio system and disconnect the battery system from the audio system.
- When possible, install in a dry, well-ventilated location that does not interfere with factory-installed systems. If a dry environment is not available, a location that is not exposed to heavy splashing may be used.
- Do not install in the engine compartment, any areas of extreme heat or where it will be directly exposed to the elements.
• Before cutting or drilling, check for potential obstacles behind mounting surfaces.
- Carefully route all system wiring away moving parts and sharp edges; secure with cable ties or wire clamps and use grommets and loom where appropriate to protect from sharp edges.

SAFETY CONSIDERATIONS

• Only use this product with 12 volt, negative-ground electrical systems. This product is not certified or approved for use in aircraft.
• Mount this product securely to prevent damage or injury in severe conditions.
• An appropriate fuse (or circuit breaker) at the main power wire is vital for vehicle/vessel safety and must be installed within 18 inches (45 cm) of the positive battery connection.
• For ABYC and NMEA applications, circuit protection is required within 7 inches (18 cm) of the battery, unless the cable is in an enclosure or conduit.
• Listen to your audio system at levels appropriate for operating conditions and hearing safety.

CONNECTIONS

XOM300/1 1 2 3 4

	Connection Description Notes
1	+12 VDC Positive (+12V) Power Connection			• 4 AWG wire (8 AWG minimum)• Install 30A fuse at 14 battery post
	Ground Negative (GND) Ground Connection - 4 AWG wire (required)
	Remote Positive (+12V) Activation Connection			• 18-12 AWG wire capacity• See On On Mode for more info
2	CH. 1 Input Left Input Signal, Black RCA			• Accepts 20kV - 4V Input voltage• If only one subwoofer channel signal is available, a Y-adaptor is recommended to feed both inputs.
	CH. 2 Input Right Input Signal, Red RCA
	Precout 1 Left Pass-Through Preamp Signal, Black RCA			• Same signal that is connected to CH. 1&2 Inputs• Unaffected by the amplifier's LP filter
	Precout 2 Right Pass-Through Preamp Signal, Red RCA
3	Remote Level Control	Remote Level Controller Connection (optional) (HD-RLC or MHD-RLC)		• Operates as an attenuator only: Fully counter-clockwise - Level Muted Fully clockwise = Level Unaffected• Multiple amplifiers can be controlled from a single HD-RLC using a non-duplex phone line splitter and multiple phone cables.
4	Mono Subwoofer Output	⊕	(+) Positive Subwoofer Output	• Both positive HH connections are connected in parallel internally• Both negative (-) connections are connected in parallel internally• Minimum impedance load ≥2 ohms• 16-8 AWG wire capacity
		⊕	(+) Positive Subwoofer Output
		⊖	(-) Negative Subwoofer Output
		⊖	(−) Negative Subwoofer Output

CONTROLS

JLAUDIO DINAMO 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80

	Control (Function) Setting Description
5	Status LED(Indicates operating status)	Flashing Green	Amplifier Powering Up, Audio Output Muted
		Green On	Normal Operation, Active Audio Output
		Red	On-Safe Mode. Over-Temperature Condition, Audio Output ReducedReverts to normal operation when temperature returns to a safe level
		Amber yellow	On Safe Mode. Over Current Condition, Audio Output MutedMay exhibit repetitive, audible ticking or thumping noise in the outputInspect for speaker/wire short circuit or low impedance
		LEDs Off	Amplifier Turns Off (unexpectively). Low-Voltage ConditionOccurs when battery or remote turn-on voltage drops below 10VReverts to normal operation when voltage rises above 11V
6	Turn On Mode (configures activation method)	Remote	+12V Remote Turn-On (Preferred)Controlled by a switched +12V circuit or turn-on out-put of your source unit/OFM interface
		Offset	DC Offset Sensing (Automatic)Tums On by detecting the presence of small DC signal in OFM audio outputs and turns Off after the signal is removed
		Signal	Signal Sensing (Automatic)Tums On by detecting full-range OEM audio signals and turns OFF after the signal is removed(within 30 seconds)
	Input Filter (configures input filter application)	Car Select for most Installations (automotive or marine)
		Boat Select if experiencing interference from high-current mechanical switches/devices
7	Input Sens.(adjusts the Input stage)	Variable	Use to match the source unit's output voltage with the amplifier's inputs.See Appendix A for detailed information.
	LP Filter Mode/Slope (configures the low-pass filter and slope)	Off Filter defeated; passes full range of frequencies present at the inputs
		12dB Attentuates frequencies above the "Filter Freq. (Hz)" dial, at a rate of 12dB/octave
		24dB Attentuates frequencies above the "Filter Freq. (Hz)" dial, at a rate of 24dB/octave
	Filter Freq. (Hz)(adjusts the low-pass filter cutoff (frequency)	Variable	Use to adjust the cutoff frequency of the low-pass active filter, from 50 Hz - 500 Hz / 12dB per octave

APPENDIX A:

Input Sensitivity Level Setting

Follow the steps below to adjust the input sensitivity of each amplifier

channel pair to achieve overall system balance.

Necessary Equipment

• Digital AC Voltmeter

• Sine-wave test tone recorded at 0 dBfs reference level in the frequency range to be amplified.Do not use attenuated test tones (-10 dB, -20 dB, etc.).Full range channel/amplifier applications: 1 kHzSubwoofer channel/amplifier applications: 50 Hz

• Depending on your type of source unit, the sine-wave may be played via a CD, USB thumb drive, portable media player or Bluetooth® audio source. Make sure to disable any FQ/DSP modes on your portable media player during level setting.

The Nine-Step Procedure

1. Disconnect the speaker(s) from the amplifier's speaker output connectors.

2. Turn off all processing (bass/treble, loudness, EQ, etc.) on the source unit, processors (if used), and amplifier. Set the factor control to center position and the subwoofer level control to 3/4 of maximum, if used.

3. Turn the "Input Sens." control all the way down.

4. Set the source unit volume to 3/4 of full volume. This will allow for reasonable gain overlap with moderate clipping at full volume.

5. Using the chart below, determine the target voltage for input sensitivity adjustment according to the nominal impedance of the speaker system connected to the amplifier outputs.

6. Verify that you have disconnected the speakers before proceeding. Play a track with an appropriate sine wave (within the frequency range to be amplified) at 3/4 source unit volume.

7. Connect the AC voltmeter to the speaker output terminals of the amplifier. Make sure to test the voltage at the correct terminals (+ and -).

8. Increase the "Input Sens." control until the target voltage is observed with the voltmeter.

9. Once you have adjusted each channel section to its maximum low-distortion output level, reconnect the speaker(s). The "Input Sens." controls can now be adjusted downward if the amplifier requires attenuation to achieve the desired system balance.

IMPORTANT!

• Do not increase any "Input Sens." setting for any amplifier channel or channel pair in the system beyond the maximum level established during this procedure. Doing so will result in audible distortion and possible speaker damage.

• It will be necessary to re-adjust the "Input Sens." if any equalizer boost is activated after setting the "Input Sens." with this procedure. This applies to any EQ boost circuit, including source unit tone controls or EQ circuits. EQ cuts will not require re-adjustment.

Nominal Impedance Target AC Voltage
4Ω 28.3 V
3Ω 27.4 V
2Ω 24.5 V
1Ω not recommended

SPECIFICATIONS

Amplifier Section
Amplifier Topology	NexDTM Ultra-High Speed Class D
Power Supply Type	Unregulated MOSFET Switching
Minimum Copper Power/GND Wire	4 AWG (Note: CCA/Copper Clad Aluminum wire is not recommended.)
Recommended Fuse	30 A
Rated RMS Power @ 14.4V, <1% THD+N	200W x 1 @ 4 Ω 250W	x 1 @ 3 Ω 300W x 1@ 2 Ω
Rated RMS Power @ 12.5V, <1% THD+N	160W x 1 @ 4 Ω 210W	x 1 @ 3 Ω 270W x 1@ 2 Ω
Frequency Response	Hz - 1 kHz (+0,-1dB)
S/N Ratio (A-weighted, 20 Hz-20 kHz noise bandwidth)	>100 dB (Referred to rated power), >80 dB (Referred to 1 W)
Damping Factor	>120 / 50 Hz @ 4 Ω, >60 / 50 Hz @ 2 Ω
Input Section
Number of Inputs 2	(One Stereo Pair)
Input Type	Differential-Balanced with RCA jack inputs
Input Voltage Range	200mV - 4V RMS
Signal Processing
Filter Type	Active, 12dB or 24dB/octave Low-Pass, (50 - 500 Hz), defeatable
Remote Level Control	HID-RLC or MHD-RLC (optional). Full mute to 0 dB range.
Dimensions
L x W x H	6.85 in. x 7.09 in. x 2.05 in. (174 mm x 180 mm x 52 mm)

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CONSIDÉRATIONS RELATIVES À L'INSTALLATION

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XOM300/1 1 2 3 4

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HINWEISE ZUR INSTALLATION

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XOM300/1 1 2 XOM300/1 Signal Ferrule Battery Circuit Micro Substrate for Signal

JL AUDIO®