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Jensen 690 Watts Class D Mono Amp with Bluetooth App Control – JA1B

Sale price $149.99 Regular price $179.99

Description

The Jensen JA1B Class D mono amplifier delivers high-efficiency car audio performance with up to 690 Watts of maximum dynamic power. Engineered with a compact micro-circuitry footprint, it easily fits into tight spaces while providing robust continuous and dynamic output for your vehicle's sound system.

Equipped with integrated Bluetooth connectivity, this amplifier lets you customize audio settings, EQ adjustments, gain, and custom RGB illumination directly from your Apple or Android smartphone. High-level and low-level inputs combined with a variable low-pass crossover ensure seamless setup and precise sound tuning.

Key Features

Brand Jensen
Model JA1B
Amplifier Class Class D Digital
Speaker Outputs Mono
Total Dynamic Power 690 Watts
Continuous Power Output (RMS) 595W x 1 Channel @ 1 ohm, 470W x 1 Channel @ 2 ohm, 290W x 1 Channel @ 4 ohm
Audio Inputs High Level (Speaker Wire), Low Level (RCA)
Audio Outputs RCA Pass Through
Frequency Response 20 Hz – 300 Hz
Signal to Noise Ratio 68 dBA
Crossover Adjustable low-pass crossover (32 Hz – 320 Hz)
Bass Boost Adjustable at 45 Hz
Gain Adjustment Variable 200 mV – 6 V
App Control Yes (Bluetooth for iOS & Android)
Illumination RGB Custom Color
Power Supply PWM MOSFET
Fuse Rating 25A x 2
Recommended Power/Ground Wire 4 – 8 AWG
Recommended Speaker Wire 12 – 16 AWG
CTA-2006-D Certification Certified
Dimensions (H x W x D) 5.5 cm x 24.3 cm x 14.2 cm
Weight 1.8 kg

Highlights

  • Jensen AMP App (Apple®/Android™)
  • RGB Custom Color Illumination
  • Class D Design
  • High Level (Speaker Wire) Input
  • Low Level (RCA) Inputs
  • Dimensions: 2.16″ X 9.56″ X 5.59″ (HXWXD)
  • Adjustable Bass Boost At 45 HZ
  • CTA-2006-D Certified

Videos

Compatibility

Compatible with car audio systems supporting high-level speaker wire or low-level RCA inputs. App control requires a compatible Apple iOS or Android smartphone with Bluetooth.

Warranty

4-year limited warranty when registered within 60 days of purchase.

Downloads

Frequently asked questions

How do I control the amplifier settings?

Settings such as volume, gain, frequency, bass boost, and RGB illumination can be adjusted directly from a smartphone using the Jensen AMP App for Apple and Android devices.

What power connections and wiring sizes are recommended?

The amplifier supports 4 to 8 AWG power and ground wiring terminals and 12 to 16 AWG speaker terminals.

What audio inputs are available on this amplifier?

It includes both high-level speaker wire inputs and low-level RCA inputs, along with RCA pass-through outputs.

What is the maximum power output rating?

The amplifier delivers a maximum dynamic power of up to 690 Watts at 1 ohm, 565 Watts at 2 ohms, and 325 Watts at 4 ohms.