Connect to database server

Is it posiible to connect to database server, without creating a multiple databases connections in phalcon, without using an external libs?

        $connection = new \Phalcon\Db\Adapter\Pdo\Mysql(
            [
                'host'     => 'localhost',
                'username' => 'user',
                'password' => 'pass',
                //'dbname'   => 'database1',
                'port'     => 3306,

            ]
        );

class SomeModel extends Model
{
    // ....
    /**
     * Set the table source.
     *
     * @return string
     */
    public function getSource()
    {
        return 'database1.some';
    }
}

class OtherModel extends Model
{
    // ....
    /**
     * Set the table source.
     *
     * @return string
     */
    public function getSource()
    {
        return 'database2.other';
    }
}