Aiwa MI-X440 Enigma Beta vs Positive Grid Spark Edge – Specs, Price & Comparison (2026)

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Brand	Aiwa	Positive Grid
Model No	MI-X440 Enigma Beta	Spark Edge
Wired / Wireless	Bluetooth Speaker Specification	Bluetooth Speaker Specification
Driver Type	Dynamic	Dynamic

Driver Diameter	NA	165.1 mm, 25.4 mm Woofer
Impedance	NA	4 Ohms
Sensitivity	NA	116 dB SPL @ 1m
Frequency Response	60 Hz â€” 15 KHz	45Hz â€“ 20Khz
Maximum Power Input	DC SV / 2A	DC 20V, 3.25A
Maximum Power Output	80 W ( RMS )	65 W ( RMS ) Class D Amplifier
Signal to Noise Ratio	> 60 dB	NA

Wireless Technology	Bluetooth	Bluetooth
Bluetooth Version	5.0	5.0
Compatible Profiles	All Bluetooth Devices	All Bluetooth Devices
Supported Codecs	MP3, FLAC, WAC, APE, WMA	SBC
Battery Type	Lithium Ion Batteries	Lithium-Ion Batteries
Bluetooth Range	10 Meters	10 Meters
Battery Life	9 Hours	10 Hours
Charging Time	4 Hours	3 Hours

Noise Cancelling	Active	NA
Aux Connectivity	Yes	Yes
Weight	7.13 Kg	6.2 Kg
Dimensions	379 mm X 279 mm X 188 mm	Speaker : 240 mm X 242 mm X 333 mm
Available Colors	Gold	Black
Accessories	MI-X440 Enigma Beta Bluetooth Speaker User Manual Warranty Card Remote Control Apple Audio Cable 3.5 mm Audio Cable DC15V 1.6A Charger Android Audio Cable Type C charging Cable	Positive Grid Spark Edge Amplifier Get Started Card Safety Instructions Card AC To DC Power Adapter USB Type-C Charging Cable
Other Features	Reproduction. True Wireless Stereo. BASS++ sound profile. A league above our exciting. Experience Hi-Fidelity audio reproduction.	2 Year Warranty. Play up to 10 hours with optional battery power. "Battery sold separately". Stream music via Bluetooth and connect to WiFi for quick and easy updates. 65-Watts of full, dynamic sound powered by Sonic IQ technology packed into one portable, compact unit. Get access to tons of amps & effects, the Creative Groove Looper, Spark AI and more through the included Spark app. Features 2 1/4"/XLR combo inputs and a pair of stereo inputs for a total of 4 separate channels for electric or acoustic guitar, bass, keyboards, vocals and more.
	Compare Aiwa MI-X440 Enigma Beta with: Sony SRS-XV500 JBL PartyBox Club 120 Bose Portable Smart Speaker Bose Smart Speaker 500 Sony SRS-RA5000	Compare Positive Grid Spark Edge with: Bose Portable Smart Speaker Bose Smart Speaker 500 Sony SRS-XP700 Sony SRS-XV500 JBL PartyBox Club 120

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